Test Directory (M-P)
This database contains all the necessary information you require for specimen collection of a test being sent to Bio-Test Laboratory. The information has been taken from Bio-Test’s Test Specification Guide (TSG).
TAT = Turn around time.
Some tests have more
collection requirements.
Please read carefully.
If the patient is required to pay for a test, there will be an amount indicated under the billing column.
LOC = Location of where test is being performed.
BTL = Bio-Test Laboratory
LL = Lifelabs
PHL = Public Health Laboratory
| TEST | CODE | SPECIMEN REQUIREMENT | VACUTAINER | BILLING | LOC |
|---|---|---|---|---|---|
| MACROAMYLASE | MACRO | Serum, 1 mL Centrifuge only TAT – 15 days | YELLOW SST | N/A | LL |
| MACROGLOBULIN, ALPHA 2 See ALPHA 2 MACROGLOBULIN | RCML | ||||
| MACROPROLACTIN | RCML | Serum, 2 mL Centrifuge and separate Store and transport refrigerated Must be collected in separate SST tube from prolactin test. TAT – 25 days | YELLOW SST | OHIP | LL |
| MAGNESIUM | MG | Serum Centrifuge only Store and ship refrigerated TAT – 1 day | YELLOW SST | OHIP | LL |
| MAGNESIUM | 24UMG | 24 Hour Urine (no preservative) (Also acceptable with 6N HCl preservative) 50 mL aliquot – submit in a sterile urine container State total 24-hour volume on the OHIP requisition and on the specimen container Store and ship refrigerated Retain a duplicate 50 mL urine sample in the fridge until test is reported TAT – 1 day | OHIP | LL | |
| MAGNESIUM | RCML | Urine, 10 mL (random) Submit in a 90 mL orange cap container TAT—8 days | OHIP | LL | |
| MAGNESIUM, RBC (RBC MAGNESIUM) (MAGNESIUM, ERYTHROCYTES) | RBCM | Red Cells Centrifuge Remove the plasma, buffy coat layer and a little of the red cells and place into an empty tube, cap and discard. Keep the RED CELLS in the original lavender tube. Ensure the cap is replaced tightly. Store and transport refrigerated TAT – 10 days | LAVENDER | $40.00 | LL |
| MAI (MYCOBACTERIUM AVIUM INTRACELLULAR) See MYCOBACTERIUM | RPHL | ||||
| MALARIA | MALAR | Whole Blood MUST BE MARKED & PROCESSED AS A STAT TAT – >Preliminary is reported within 1 hour from time of receipt at main lab | LAVENDER | OHIP | BTL |
| MALARIA PCR (MALARIA GENOTYPING) | MALAR | Whole Blood, 2 mL Store and transport at room temperature Done on microscopically negative samples but clinical history and symptoms strongly suggest malaria or following consultation with the Medical Microbiologist/Head Technologist in the Toronto Parasitology lab. Genotyping is available for testing malaria patients with P. falciparum infection. Testing will only be performed following a discussion with the Medical Microbiologist for cases where the physician is concerned that the patient is not responding to standard anti-malarial therapy. TAT – 1 day | LAVENDER | OHIP | PHL |
| MANGANESE | RCML | Whole Blood Do not centrifuge Send entire tube Store and ship refrigerated TAT -- 1-2 weeks | ROYAL BLUE with K2EDTA | $70.00 | LL |
| MANGANESE | MANG | Plasma, 3 mL. Centrifuge and separate within 30 minutes Do not use gel-separator collection tubes. TAT – 14 days | ROYAL BLUE with K2EDTA | $70.00 | LL |
| MANGANESE | MANGA | Urine, 25 mL (random) Submit in an orange or white cap container TAT – 20 days | $70.00 | LL | |
| MAPROTILINE See LUDIOMIL | RCML | ||||
| MARFAN SYNDROME See MOLECULAR GENETICS (I) | RCHEO | ||||
| MARIJUANA (TETRAHYDRO CANNOBINOIDS, THC) (CANNABINOIDS SCREEN) See CANNABIS | UCB | ||||
| MATERNAL CELL CONTAMINATION STUDIES See MOLECULAR GENETICS (I) | RCHEO | ||||
| MATERNAL SERUM SCREEN (MSS) (DOWN’S SYNDROME SCREEN) (TRIPLE MARKER SCREEN) | MSS | Serum, 2 mL Centrifuge only DO NOT FREEZE For risk assessment of open neural tube defects Testing is recommended at 15-20 weeks gestation Complete a Maternal Serum Screen Form Results will be reported directly to the requesting physician ●Testing includes hCG, AFP, uE3 ***Covered for Ontario patients ONLY, all others must pay 0.00*** ***WE CANNOT ACCEPT CASH*** TAT—15 days | YELLOW SST | OHIP | LL |
| MCAD See MOLECULAR GENETICS (I) | RCHEO | ||||
| MCV, MCH, MCHC (INDICES, RBC) See BLOOD FILM EXAMINATION | CBC | ||||
| MEASLES (RUBEOLA) | MEAS | Serum, 1 mL Centrifuge only Store and transport refrigerated Indicate “Diagnostic” or “Immunity” Diagnostic testing includes IgM and IgG. Immunity testing includes only IgG For Diagnostic testing, collect an acute sample (within 7 days after the onset of the rash) or convalescent sample (7 to 10 days after the acute) TAT—5 days | YELLOW SST | N/C | PHL |
| MELANIN | TEST NOT AVAILAVBLE | ||||
| MELLARIL (THIORIDAZINE) | RCML | Serum, 3 mL Centrifuge only TAT – 20 days | YELLOW SST | OHIP | LL |
| MENINGOCOCCAL ANTIBODY | TEST NO LONGER AVAILABLE | ||||
| MEPROBAMATE (MILTOWN) See EQUANIL | RCML | ||||
| MEPROBAMATE | RCML | Urine, 50 mL (random) Submit in an orange or white cap container TAT – 20 days | OHIP | LL | |
| MERCURY (HG BLOOD) | RCML | Whole Blood DO NOT CENTRIFUGE Keep in upright position Store and transport refrigerated TAT – 5-10 days | ROYAL BLUE with K2EDTA | OHIP | LL |
| MERCURY (HG URINE) | RCML | 24 Hour Urine 24 Hour Urine (Acid Washed Container) *Order Acid Washed Container from Main Lab as required. Submit a 20mL sample in a sterile urine container Record total volume on requisition and on the specimen container Store and ship refrigerated Retain a duplicate 90mL urine sample in the fridge until test is reported TAT – 5-10 days | OHIP | LL | |
| MERCURY | RCML | Urine, 13 mL (random) Avoid seafood consumption for 3 days prior to collection. TAT – 14 days | OHIP | LL | |
| METABOLIC SCREEN (Urine Metabolites) | METAB | Urine, 10 mL (random) Submit in a 90 mL white cap container State Date of Birth and clinical diagnosis. Testing includes: Amino Acid Screen, reducing substances, other chemical tests. Fractionation and Cystine Quantitation will be performed if indicated. TAT –15 days | $60.00 | LL | |
| METANEPHRINES | Plasma, 2 x 4mL Lavender tubes Collect fasting sample. Patient must abstain from smoking for at least 4 hours prior to collection. Centrifuge vacutainer tubes and aliquot plasma into 2 separate labelled aliquot tubes and freeze. Store and transport frozen. If specimen thaws, it is unsuitable for analysis. TAT – 14 days | 2 LAVENDER | OHIP | LL | |
| METANEPHRINES (NORMETANEPHRINE) (METS) | 24MET | 24 Hour Urine (6N HCl preservative) 20 mL aliquot – submit in a sterile urine container Refrigerate during storage and transport State total 24-hour volume on the OHIP Requisition, and on the specimen container Retain a duplicate 50 mL aliquot in the fridge until test is reported Avoid strenuous exercise prior to collection The following foods and medications must be avoided for 3 days prior to and during collection: Foods to avoid: Caffeine (coffee, tea, cocoa, chocolate, caffeinated beverages), Bananas, Alcohol, Tobacco Medications to avoid: Acetaminophen (Tylenol), Cimitidine, Salicylate (Aspirin), Labitalol, Mathyldopa (Alsomet), Vitamin C After the specimen is collected, the patient may resume normal diet. TAT – 1 week | OHIP | LL | |
| METANEPHRINES, TOTAL | TEST NO LONGER AVAILABLE | ||||
| METHADONE | RCML | Urine, 10 mL (random) Submit in an orange or white cap container TAT – 3 days | OHIP | LL | |
| METHEMALBUMIN SCREEN (HAPTOGLOBIN) (HEMPEXIN SCREEN) (FREE HEMOGLOBIN) (PLASMA HEMOGLOBIN) | RCML | Plasma Centrifuge and separate ●Testing consists of free hb, haptoglobin, hemopexin-heme complex and methemalbumin. TAT – 5 days | LAVENDER | OHIP | LL |
| METHEMOGLOBIN | By appointment only at local hospital | ||||
| METHOBARBITAL | TEST NO LONGER AVAILALBE | ||||
| METHOTREXATE See AMETHOPTERIN | RCML | ||||
| METHOTRIMEPRAMINE (NOZINAN) | METHO | Serum, 3 mL Collect specimen 10 – 12 hours after last dose Record time in hours that have elapsed between last dose and specimen collection TAT – 15 days | PLAIN RED | OHIP | LL |
| METHYLMALONIC ACID QUANTITATIVE (MMA) | RCML | Serum Centrifuge and separate within 1 hour of collection Store and ship frozen TAT – 14 days | PLAIN RED | $105.00 | LL |
| METHYLMALONIC ACID, URINE | URINE TEST NO LONGER AVAILABLE | ||||
| METHYLPHENIDATE (RITALIN) | RCML | Urine, 25 mL (random) Submit in an orange cap container TAT – 15 days | OHIP | LL | |
| METHYPRYLON (NOLUDAR) | TEST NO LONGER AVAILABLE | ||||
| METHSUXIMIDE (CELONTIN) | TEST NO LONGER AVAILABLE | ||||
| MEXILETINE | TEST NO LONGER AVAILABLE | ||||
| MICROALBUMIN See ALBUMIN, QUANTITATIVE URINE | 24UA | ||||
| MICROALBUMIN See ALBUMIN, QUANTITATIVE URINE | MALBU | ||||
| MICROALBUMIN/ CREATININE RATIO | 24MACR | 24 Hour Urine (no preservative) Submit 6 mL aliquot in a sterile urine container Label container MICROALBUMIN RATIO State total 24-hour volume on the OHIP requisition and on the specimen container Retain a duplicate 90 mL sample in the fridge until test is reported. TAT – 2 days | OHIP | BTL | |
| MICROALBUMIN/ CREATININE RATIO | MACR | Urine, 6 mL (random) Submit in an orange or white cap container. Label container MICROALBUMIN RATIO Testing includes albumin and creatinine Submit a separate sample for other urine tests TAT –2 days | OHIP | BTL | |
| MICROGLOBULIN (BETA 2 MICROGLOBULIN) See B2 MICROGLOBULIN | B2MIC | ||||
| MICROSOMAL THYROID ANTIBODIES (ATA, ATMA) (ANTI-THYROID ANTIBODIES) (MICROSOMAL ANTIBODIES) (ANTI-THYROID MICROSOMAL ANTIBODIES) (THYROGLOBULIN ANTIBODIES) (THYROID ANTIBODIES) See ANTI–MICROSOMAL ANTIBODIES | MSA Or ATA | ||||
| MILONTIN (PHENSUXIMIDE) | RCML | TEST NO LONGER AVAILABLE | |||
| MILTOWN (MEPROBAMATE) See EQUANIL | RCML | ||||
| MISCELLANEOUS BLOOD GROUPS - Excluding Kell, Duffy See ABO, Rh(D), GENOTYPE | |||||
| MITOCHONDRIAL ANTIBODIES (ANTI-SMOOTH MUSCLE ANTIBODY, ASMA, SMA) (SMOOTH MUSCLE ANTIBODY) See ANTI-MITOCHONDRIAL ANTIBODIES | RCML | ||||
| MOGADON (NITRAZEPAM) | RCML | Serum, 3 mL Centrifuge and separate Store and transport frozen Collect specimen 10 – 12 hours after last dose Record time in hours that have elapsed between last dose and specimen collection TAT – 15 days | PLAIN RED | OHIP | LL |
| MOLECULAR GENETICS (I) TESTING: Angelman Syndrome Cystic Fibrosis * Cystinosis * Fragile X Hereditary Non-Syndromic Deafness * MCAD Marfan Syndrome Maternal Cell Contamination Studies Myotopic Dystrophy TypeI * Ocularpharyngeal Muscular Dystrophy PKD autosomal dominant Pompe Disease Prader-Willi Syndrome X-inactivation * = MUST specify ethnic background | RCHEO | Whole Blood Adults & children > 1yr. = 10 ml blood Newborns & infants = 3 ml minimum (If sample < 3ml then use 3ml EDTA tube) Label all tubes with minimum 2 patient identifiers Submit Monday to Thursday before 4pm for best results DO NOT FREEZE OR REFRIGERATE Pre-package sample(s) with completed Molecular Genetics Form and a copy of the OHIP requisition in a separate brown paper bag When possible, have Courier deliver sample(s) at Room Temp ASAP directly to the hospital on the same day of collection TAT – 4 to 12 weeks | LAVENDER | OHIP | CHEO |
| MOLECULAR GENETICS (II) TESTING: Thrombophilia Wagner Syndrome Hereditary Hemochromatosis | RCHEO | Whole Blood Adults & children > 1yr. = 5 ml blood Newborns & infants = 3 ml minimum (If sample < 3ml then use 3ml EDTA tube) Label all tubes with minimum 2 patient identifiers Submit Monday to Thursday before 4pm for best results DO NOT FREEZE OR REFRIGERATE Pre-package sample(s) with completed Molecular Genetics Form and a copy of the OHIP requisition in a separate brown paper bag When possible, have Courier deliver sample(s) at Room Temp ASAP directly to the hospital on the same day of collection TAT – 3 to 10 weeks | LAVENDER | OHIP | CHEO |
| MOLECULAR GENETICS (III) TESTING: Myotonic Dystrophy Type II Charcot Marie Tooth (CMT1A) Spinal Muscular Atrophy Hereditary Neuropathy with Liability to Pressure Palsies (HNPP) Facioscapulohumeral Muscular Dystrophy (FSHMD) Rett Syndrome * * = All specimens require completed requisitions for DNA testing for each family member being tested | RCHEO | Whole Blood Adults & children > 1yr. = 15 ml blood Newborns & infants = 3 ml minimum (If sample < 3ml then use 3ml EDTA tube) Label all tubes with minimum 2 patient identifiers Submit Monday to Thursday before 4pm for best results DO NOT FREEZE OR REFRIGERATE Pre-package sample(s) with completed Molecular Genetics Form and a copy of the OHIP requisition in a separate brown paper bag When possible, have Courier deliver sample(s) at Room Temp ASAP directly to the hospital on the same day of collection TAT – 4 to 12 weeks | LAVENDER | OHIP | CHEO |
| MOLECULAR GENETICS (IV) TESTING: Fetal RhD * Fetal Kell * Fetal Platelet Antigen (PLA)* * = parental bloods required | RCHEO | Whole Blood Adults & children > 1yr. = 5 ml blood Label all tubes with minimum 2 patient identifiers Submit Monday to Thursday before 4pm for best results DO NOT FREEZE OR REFRIGERATE Pre-package sample(s) with completed Molecular Genetics Form and a copy of the OHIP requisition in a separate brown paper bag When possible, have Courier deliver sample(s) at Room Temp ASAP directly to the hospital on the same day of collection TAT – 1 to 2 weeks | LAVENDER | OHIP | CHEO |
| MONOCLONAL PROTEIN (SPE) See PROTEIN ELECTROPHORESIS | SPE | ||||
| MONONUCLEOSIS SCREEN (MONO) (INFECTIOUS MONONUCLEOSIS) See HETEROPHILE ANTIBODY | MONOT | ||||
| MORPHINE See DRUG SCREEN BROAD SPECTRUM | UDS | State under notes and instructions “CHECK FOR MORPHINE” | |||
| MOTRIN See IBUPROFEN | IBU | ||||
| MRSA SCREEN TEST AXILLA GROIN NASAL RECTAL | Nmrsa Remrsa | Swab- state source Place swab in charcoal transport media TAT – 2 days | OHIP | BTL | |
| MSS See MATERNAL SERUM SCREEN | MSS | ||||
| MUCONIC ACID | TEST NO LONGER AVAILABLE | ||||
| MUCOPOLYSACCHARIDES | RCML | Urine,10 mL (random) Submit in a 90 mL orange cap container Avoid first morning collection Provide clinical history Store and transport frozen TAT – 40 days | OHIP | LL | |
| MULTIMER – VWF See VON WILLEBRAND FACTOR SCREEN | RCML | ||||
| MUMPS ANTIBODY, DIAGNOSTIC | MUM | Blood, 3 mL Clinical history of patient is required. Acute samples (drawn at onset of illness), and convalescent samples (drawn 10-12 days later) are required. Do not centrifuge tube Store and transport refrigerated TAT – 3 days | PLAIN RED | N/C | CHEO |
| MUMPS ANTIBODY, DIAGNOSTIC OR IMMUNITY | RPHL | Serum, 1 mL Centrifuge only Store and transport refrigerated Testing for Diagnosis includes Mumps IgG and IgM. Testing for Immunity will only include IgG TAT—5 days | YELLOW SST | N/C | PHL |
| MUMPS PCR, SWAB | RPHL | Buccal or throat swab Collect within 9 days after symptom onset Submit in multi-organism transport medium Store and transport refrigerated TAT—3 to 18 days | N/C | PHL | |
| MUMPS PCR, URINE | RPHL | Urine, 5 mL (random) Submit in a orange cap container Collect within 9 days after symptom onset Store and transport refrigerated TAT—3 to 18 days | N/C | PHL | |
| MURAMIDASE (LYSOZYME) | TEST NO LONGER AVAILABLE | ||||
| MYCOBACTERIUM | RPHL | Whole blood, 10 mL Before collection, clean the caps of the tubes with 70% isopropyl alcohol and allow caps to dry Store and transfer at room temperature Testing includes identification of Mycobacteria species other than M. tuberculosis (NTM) TAT—42 days | 2 GREEN with Heparin | N/C | PHL |
| MYCOBACTERIUM | RPHL | Sputum, 5-10 mL Submit in sterile container with no fixative Store and transport refrigerated Sputum should be from an early morning collection from a deep productive cough on 3 consecutive days TAT—49 days | N/C | PHL | |
| MYCOBACTERIUM | RPHL | Stool, 1g Submit in a sterile container with no fixative Store and transport refrigerated TAT—49 days | N/C | PHL | |
| MYCOPLASMA ANTIBODIES | TEST NO LONGER AVAILABLE | ||||
| MYCOPLASMA CULTURE | MYC | Swab – State source Submit in multi-organism transport media (e.g. Mycoplasma/Ureaplasma culture kit) Use the Copan UTM-RT Viral Swab for collection Store and transport refrigerated Testing includes Ureaplasmas TAT – 17 days | N/C | PHL | |
| MYCOPLASMA ISOLATION (UREAPLASMA) | MYCO | Swab/Urine/Fluid/Tissue/Semen. Place swab from vagina, cervix or urethra, sediment from centrifuged other fluid, or tissue in special Mycoplasma Transport Media. Break off applicator and replace transport tube cap tightly. Do not use swabs with wooden shaft Store and ship refrigerated. For Main Lab: collect Mon-Tues & Wednesday before 11 AM. For all collection facilities (including physician offices), collect Mon-Tues ONLY Urine is to be sent in a sterile container and shipped refrigerated. TAT – 10 days | $65.00 | LL | |
| MYELOPEROXIDASE PLASMA (MPO) | RCML | Plasma, 1 mL Immediately centrifuge for10 minutes. Immediately separate Store and transport refrigerated. TAT – 6 days | LAVENDER | UNINSURED | LL |
| MYOGLOBIN | RCML | Random Urine, 10 mL Collect in a sterile 90mL urine container Store and ship refrigerated TAT -- 2 days | OHIP | LL | |
| MYOGLOBIN | PLASMA TEST NO LONGER AVAILABLE | ||||
| MYOGLOBIN SERUM | RCML | Collect blood in serum vacutainer (plain red top). Allow blood to clot at room temperature upright for 60 minutes and separate by centrifugation. Transfer an aliquot of serum to a labeled tube and cap tightly. Store and ship refrigerated | PLAIN RED | UNINSURED | LL |
| MYOTOPIC DYSTROPHY TYPE I (DM1) See MOLECULAR GENETICS (I) | RCHEO | ||||
| MYOTOPIC DYSTROPHY TYPE II (DM2) See MOLECULAR GENETICS (III) | RCHEO | ||||
| MYSIAL ANTIBODIES See ANTI-ENDOMYSIAL ANTIBODY | ANTEN | ||||
| MYSOLINE (PRIMIDONE) | RCML | Serum, 1mL Primidone is discontinued and Phenobarbital will be performed in its place. Centrifuge and separate Record time in hours that have elapsed between last dose and specimen collection Store and ship refrigerated TAT – 5 days | YELLOW SST | OHIP | LL |
| NAPROXENE | TEST NO LONGER AVAILABLE | ||||
| NARCOTIC SCREEN (DRUG OF ABUSE) (STREET DRUGS) (URINE TOXICOLOGY) See DRUGS SCREEN | UDSC | ||||
| NEIRHAUS (KLEIHAUER ACID ELUTION) (KLEIHAUER-BETKE TEST) (KB TEST) See KLEIHAUER STAIN | RCML | ||||
| NEISSERIA GONORRHOEAE (GC, GONOCOCCUS) See GONORRHOEAE CULTURE | RPHL | ||||
| NEURONTIN See GABAPENTIN | GAB | ||||
| NEUROMYELITIS OPTIC ANTIBODY (IgG) | TEST NO LONGER AVAILABLE | ||||
| NEUTROPHIL ALKALINE PHOSPHATASE (LEUKOCYTE ALKALINE PHOSPHATASE) See LAP | Refer patient to local hospital | ||||
| NH3 (NH4) See AMMONIA | TEST NO LONGER AVAILABLE | ||||
| NICKEL | NICKEL | Plasma Centrifuge and separate TAT – 30 days | ROYAL BLUE with K2EDTA | $55.00 | LL |
| NICKEL | NICKELU | Urine, 50 mL (random) Collect a minimum of 10 mL of random urine into a labeled sterile container and transfer WITHOUT DELAY into a labeled 60 mL NMS ACID WASHED container. TAT – 30 days | $55.00 | LL | |
| NICKEL | RCML | 24 Hour Urine (no preservative) Submit a 20mL sample in a sterile urine container Record total volume on requisition and on the specimen container Store and ship refrigerated Retain a duplicate 90mL urine sample in the fridge until test is reported TAT – 10 days | $55.00 | LL | |
| NICOTINE | NICO | Urine, 10 mL (random) Submit in an orange or white cap container TAT –15 days | $205.00 | LL | |
| NICOTINE (COTININE) | RCML | Serum Centrifuge and separate Store and transport refrigerated. Testing includes Nicotine and Nicotine Metabolite (Cotinine) TAT – 1-2 weeks | PLAIN RED | $205.00 | LL |
| NITRAZEPAM See MOGADON | RCML | ||||
| NITROGEN | TEST NO LONGER AVAILABLE | ||||
| NON–SPECIFIC COAGULATION INHIBITORS (LUPUS ANTICOAGULANT) See CIRCULATING ANTICOAGULANT | LUANT | ||||
| NOREPINEPHRINE See CATECHOLAMINES, FRACTIONATED | 24CAT | ||||
| NORMETANEPHRINE See METANEPHRINES, FRACTIONATED and TOTAL | 24MET | ||||
| NORPACE See DISOPYRAMIDE | RCML | ||||
| NORPRAMINE See DESIPRAMINE | DESIP | ||||
| NORTRIPTYLINE See AVENTYL | NOR | ||||
| NOZINAN See METHOTRIMEPRAMINE | METHO | ||||
| N-TERMINAL PROBRAIN NATRIURETIC PEPTIDE (BNP) (NT-PRO) | NATR | Collect specimen in SST Gold top tube. Gently invert/mix tube 5-6 times. Allow to clot upright for a minimum of 30 minutes. Centrifuge for 10 minutes at 1300 RCF. Store and ship at 2-8 degrees C. TAT – 5 days | YELLOW SST | $75.00 | LL |
| NUCLEOTIDASE (5’ NUCLEOTIDASE) | TEST NO LONGER AVAILABLE | ||||
| 17-OH STEROIDS See 17-HYDROXY CORTICOSTEROIDS | TEST NO LONGER AVAILABLE | ||||
| 17-OH PROGESTERONE (PREGNANETRIOL) See 17-HYDROXY PROGESTERONE | 17HP | ||||
| OCCULT BLOOD | OB1 | Stool Random specimen Instructions for the patient are in the kit Use code OB2 if two specimens Use code OB3 if three specimens TAT – 1 day | OHIP | BTL | |
| OCULOPHARYNGEAL MUSCULAR DYSTROPHY (OPMD) See MOLECULAR GENETICS (I) | RCHEO | ||||
| OLANZAPINE (ZYPREXA) | OLANZA | Serum,1 ml Collect trough sample Centrifuge and separate Store and transport frozen TAT – 14 Days | PLAIN RED | OHIP | LL |
| OLIGOSACCHARIDES | OLIGO | Urine Submit in an orange or white cap container Avoid first morning collection Store and transport frozen TAT – 40 days | $50.00 | LL | |
| OMEGA-3 FATTY ACID (AA EPA RATIO) | RCML | Whole blood Fasting is not required. Store and transport refrigerated. TAT – 10 days | LAVENDER | $75.00 | LL |
| OPIATES See DRUG SCREEN | UDSC | ||||
| OPSA See PROSTATE SPECIFIC ANTIGEN, TOTAL-DISEASE STATE | PSAI | ||||
| ORGANIC ACIDS | RCML | Urine, 10 mL (random) Early morning specimen preferred Submit in an orange or white cap container State age of patient and clinical diagnosis Store and transport frozen TAT – 30 days | OHIP | LL | |
| OSMOLALITY | SOS | Serum Centrifuge only TAT – 15 days | YELLOW SST | OHIP | LL |
| OSMOLALITY | UOS | Urine This code can be used for either a random or a 24 hour urine Submit in an orange or white cap container Retain a duplicate sample in the fridge until the test is reported if the specimen is a 24 hour sample TAT – 15 days | OHIP | LL | |
| OSMOTIC FRAGILITY | Refer patient to a hospital laboratory due to time constraints of testing requirements | ||||
| OSTEOCALCIN (BGP) (BONE GLA) | OSTEO | Serum Allow blood to clot for 30 minutes Centrifuge as soon as possible Separate into 2 x 1 mL aliquots and freeze as soon as possible Store and transport frozen Avoid hemolysis TAT—25 days | YELLOW SST | $65.00 | LL |
| OV 125 See CA 125 | CA125 | ||||
| OVA AND PARASITES (O&P) | OVP1 | Stool, Copan Fecal Swab (PCR testing) Only 1 swab sample is required. Only a small amount of stool is required to be swabbed and placed into the collection tube. Mix the specimen against the sides of the tube to evenly disperse the sample into the Cary Blair medium. Fill to ‘Max Fill’ line. Bend the shaft to break off the swab into the collection tube. Cap tightly and shake the vial to mix the sample. Store and ship refrigerated. *NOTE: Traditional O&P testing (in SAF containers) will continue to be provided for certain indications, including immunocompromised patients, immigrant/refugee screening or if Helminthic infestation is suspected. The ordering physician must indicate on the requisition and send samples in SAF is microscopy is needed. Place approximately 1 tablespoon of stool in a PARA kit with SAF fixative Store and ship at room temperature Use test code OVP2 if two specimens received Use test code OVP3 if three specimens received TAT – 5 days | OHIP | LL | |
| OVARIAN ANTIBODIES | OVA AB | TEST NOT AVAILABLE | |||
| OXALATE (OXALIC ACID) | 24OXA | 24 hour Urine (6N HCl preservative) Submit a 10 mL aliquots in white cap containers Store and transport refrigerated State total 24-hour volume on the OHIP Requisition and on the specimen container Retain a duplicate 50 mL sample in the fridge until test is reported. TAT – 10 days | OHIP | LL | |
| OXAZEPAM (SERAX) | TEST NO LONGER AVAILABLE | ||||
| OXYCODONE (PERCODON) | OXYCODON | Urine, 10 mL (random) Submit in an orange or white cap container TAT – 5 days | OHIP | LL | |
| OXYGEN AFFINITY OF HEMOGLOBIN (P50) | TEST NO LONGER AVAILABLE | ||||
| P– 24, HIV (HIV SEROLOGY) See HIV | HIV | ||||
| PAPP-A (INTEGRATED PRENATAL SCREENING) See FIRST or SECOND TRIMESTER SCREENING | IPS1 | ||||
| PAP SMEAR | CONVENTIONAL (SLIDE) PAP TEST NO LONGER AVAILABLE | ||||
| PAP SMEAR, MONOLAYER/THINLAYER | GYN | 30 mL M/L container State source of specimen: cervical, vaginal, endocervical, combined Ensure the head of the collection instrument (broom) is in the vial Ensure the lid of the vial is screwed on tightly to avoid leakage or loss of the material The physician must print the patient’s name on the container Complete a Bio-Test (Blue and White) Cytology Form with all required information fields completed TAT – 1-3 days | OHIP | BTL | |
| PARAINFLUENZA VIRUS ANTIBODIES | TEST NO LONGER AVAILABLE | ||||
| PARANEOPLASTIC AUTOANTIBODY PANEL (ANTI-NEURONAL AB) (ANNA1), (ANNA2) (ANTI-HU), (ANTI-RI), (ANTI-YO) (PCA1) (PURKINJE CELL ANTIBODY) | RCML | Serum, 1 mL Centrifuge only Store and transport refrigerated TAT – 14 days | YELLOW SST | UNINSURED | LL |
| PARASITE, INTESTINAL | Faeces Collect in a PARA kit with SAF Submit a series of 3 specimens, 1-2 days apart Store and transport at room temperature TAT—3 days | N/C | PHL | ||
| PARASITE SEROLOGY TEST | Information regarding requests for specific tests available through Reference Lab Consultants | ||||
| PARATHYROID HORMONE (PTH) (INTACT PTH) | PTH | Serum, 2 mL Allow specimen to clot for 30 minutes Centrifuge and separate within 4 hours of collection Store and transport refrigerated For Quebec insured patients: Plasma, 3 mL Separate ASAP - write on tube 'plasma' Store and transport refrigerated *Tested at Montfort Hospital TAT – 2 days | YELLOW SST LAVENDER (for QC insured patients) | OHIP | LL MTF |
| PARIETAL CELL ANTIBODIES | PARAB | Serum, 2 mL Centrifuge only Store and transport refrigerated TAT – 25 days | YELLOW SST | OHIP | LL |
| PAROXETINE (PAXIL) | TEST NO LONGER AVAILABLE | ||||
| PARTIAL THROMBOPLASTIN TIME (PTT) | PTT | Plasma Fill tube completely Centrifuge and separate If unexpected delay in transport to lab overnight then FREEZE PLASMA & SEND FROZEN next day Testing done on Tuesday and Friday TAT – 2-3 days | LIGHT BLUE | OHIP | BTL |
| PARVO VIRUS (FIFTH DISEASE) (PARVO VIRUS B19) See ERYTHEMA INFECTIOSUM | PARVO | ||||
| PASTEURELLA TULARENSIS ANTIBODY (TULAREMIA) (FRANCISELLA TULARENSIS ANTIBODY) | RPHL | Serum, 1 mL Centrifuge only Store and transport refrigerated An acute (collected early after the onset of symptoms) and a convalescent (collected 2-3 weeks later) sample may be required for laboratory diagnosis. TAT—10 days | YELLOW SST | N/C | PHL |
| PATERNITY TESTING | NO LONGER AVAILABLE *Consult Reporting Department for alternative laboratory locations | ||||
| PATHOLOGY (HISTOLOGY) See HISTOLOGY | HISTO | ||||
| PAXIL See PAROXETINE | PAROX | ||||
| PBG (PORPHOBILINOGEN SCREEN) | RANDOM URINE TEST NO LONGER AVAILABLE | ||||
| PCB PANEL (POLYCHLORINATED BIPENYLS PANEL | PCB | Serum Centrifuge and separate within 2 hrs of collection Store and transport refrigerated SST tubes are UNACCEPTABLE TAT 1-2 weeks | PLAIN RED | $170.00 | LL |
| PCP (PHENCYCLIDINE) (ANGEL DUST) | UPC | Urine, 10 mL( random) urine Submit in an orange or white top container Indicate “CHECK FOR PHENCYCLIDINE” TAT – 5 days | OHIP | LL | |
| PEANUT COMPONENT TESTING PANEL See ALLERGY TESTING -- PEANUT COMPONENT PANEL | RCML | ||||
| PEMPHIGUS/PEMPHIGOID ANTIBODIES (EPIDERMAL ANTIBODIES) See ANTI-SKIN ANTIBODIES | RCML | ||||
| PENTACHLOROPHENOL | RCML | Plasma Centrifuge and separate Store and ship frozen TAT -- 1-2 weeks | LAVENDER | UNINSURED | LL |
| PENTOBARBITAL | TEST NO LONGER AVAILABLE | ||||
| PERCHLOROETHYLENE (TETRACHLOROTHELENE BLOOD) | RCML | Whole Blood DO NOT OPEN use parafilm to ensure tube remains unopened Send entire tube Store and ship refrigerated TAT – 7 days | GREY | UNINSURED | LL |
| PERCHLOROETHYLENE (TETRACHLOROTHELENE) | TEST NO LONGER AVAILABLE | ||||
| PERCHLOROETHYLENE (TETRACHLOROTHELENE) | RCML | Random Urine, 10-15 mL Collect in a sterile 90 mL urine container Store and ship refrigerated TAT -- 1-2 weeks | UNINSURED | LL | |
| PHADIATOP | TEST NO LONGER AVAILABLE | ||||
| PHENCYCLIDINE See PCP | UPC | ||||
| PHENOBARBITAL | PHENO | Serum Collect specimen just prior to next dose (TROUGH SPECIMEN) Record time in hours that have elapsed between last dose and specimen collection Centrifuge and separate Store and ship refrigerated TAT – 1 day | YELLOW SST | OHIP | LL |
| PHENOL (BENZENE) | TEST NO LONGER AVAILABLE | ||||
| PHENOTHIAZINES, QUALITATIVE | TEST NO LONGER AVAILABLE | ||||
| PHENYLALANINE See AMINO ACIDS QUANTITATIVE | AMINO | ||||
| PHENYTOIN See DILANTIN | DIL | ||||
| PHOSPHATASE ACID, PROSTATIC | TEST NO LONGER AVAILABLE | ||||
| PHOSPHATASE ACID, TOTAL | TEST NO LONGER AVAILABLE | ||||
| PHOSPHATASE ALKALINE See ALKALINE PHOSPHATASE | ALK | ||||
| PHOSPHATASE ALKALINE ISOENZYME (ALKALINE PHOSPHATASE FRACTIONATION) See ALKALINE PHOSPHATASE ISOENZYME | API | ||||
| PHOSPHOLIPIDS | TEST NO LONGER AVAILABLE | ||||
| PHOSPHORUS (INORGANIC PHOSPHATE) | PHOS | Serum Centrifuge only TAT—1 day | OHIP | BTL | |
| PHOSPHORUS (PHOSPHATE) | 24UPH | 24 Hour Urine (no preservative) (May also be accepted if collected with 6N HCl as preservative) 10 mL aliquot – submit in an sterile urine container State total 24-hour volume on the OHIP Requisition, and on the specimen container Retain a duplicate 90 mL urine sample in the fridge until test is reported Store and ship refrigerated TAT – 1 day | OHIP | LL | |
| PHOSPHORUS | Urine , 10 mL (random) Submit in a orange or white cap container TAT – 2 days | OHIP | LL | ||
| PHYTANIC ACID | PHY TANIC | Serum, 2 mL Centrifuge and separate Store and transport frozen (Plasma from Green top also accepted) TAT – 25 days | PLAIN RED | $60.00 | LL |
| PINWORM EXAMINATION (ENTEROBIUS VERMICULARIS) | RPW | Paddle – State Source Obtain specimen from perianal area Recommend specimen be obtained early morning prior to washing due to night time migration of pinworm TAT – 2 day | OHIP | LL | |
| PK SCREEN (PYRUVATE KINASE) | TEST NO LONGER AVAILABLE | ||||
| PKD AUTOSOMAL DOMINANT See MOLECULAR GENETICS (I) | RCHEO | ||||
| PKU (PHENYLKETONURIA) | TEST NO LONGER AVAILABLE Refer patient to hospital | ||||
| PLACIDYL See ETHCHLORVYNOL | TEST NO LONGER AVAILABLE | ||||
| PLASMA HEMOGLOBIN See FREE HEMOGLOBIN | RCML | ||||
| PLASMINOGEN | RCML | Plasma,1 mL Centrifuge and separate Store and transport frozen TAT – 15 days | LIGHT BLUE | OHIP | LL |
| PLATELET COUNT (THROMBOCYTE COUNT) See BLOOD FILM EXAMINATION | CBC | ||||
| PLATELET COUNT, CITRATE SAMPLE See BLOOD FILM EXAMINATION | CBC | Plasma Label both samples– platelet count Elasticize the two tubes together for transport TAT – 1 day | LIGHT BLUE & LAVENDER | OHIP | BTL |
| PLATELET ASSOCIATED ANTIBODIES (PLATELET ASSOCIATED IGG) See ANTI-PLATELET ANTIBODY | TEST NO LONGER AVAILABLE | ||||
| PLATELET FUNCTION TEST | BY HOSPITAL APPOINTMENT ONLY | ||||
| PLATINUM | 24 HOUR URINE TEST NO LONGER AVAILABLE | ||||
| PNEUMOCYSTIS JIROVECII (PNEUMOCYSTIS CARINII) | Sputum—1 mL Collect in a sterile container Store and transport at room temperature TAT—1 day | N/C | PHL | ||
| POLIOMYELITIS VIRUS | POLIO | Stool/ Swab Submit 0.5g stool sample in a sterile container Submit swabs in a multi-organism transport medium Store and transport refrigerated Viral history sheet must be completed Stool is the preferred sample Use codes: Stool – VIRUS – TM Throat Swab – VIRUS – SW Rectal Swab – VIRUS – SW TAT – 18 days | N/C | PHL | |
| POMPE DISEASE See MOLECULAR GENETICS (I) | RCHEO | ||||
| PORPHOBILINOGEN See PBG | RCML | TEST NO LONGER AVAILABLE | |||
| PORPHOBILINOGEN DEAMINASE (PBG DEAMINASE) (UROPORPHYRINOGEN SYNTHETASE) | RCML | Whole Blood, 7ml Protect Green top tube from light Store and transport refrigerated Provide haematocrit result for calculation of results. *If CBC test not ordered, collect a LAVENDER tube in addition to the GREEN top TAT – 14 days | GREEN with Heparin | UNINSURED | LL |
| PORPHYRINS, BLOOD (PORPHYRINS RBC) (PROTOPORPHYRINS) (FREE ERYTHROCYTE) (QUANTITATIVE PORPHYRINS) (FEP) | PORBL PORPB | Whole Blood Do not separate Protect one LAVENDER tube from light only Store and transport refrigerated TAT – 10 days | 2 LAVENDER | OHIP | LL |
| PORPHYRINS, QUALITATIVE | RCML | QUALITATIVE STOOL TEST NOT AVAILABLE | |||
| PORPHYRINS, QUANTITATIVE (PORPHYRINS, FECES) (MESOPORPHYRIN) (PHOTOPORPHYRIN) | RCML | Stool, 50 g (app. ½ tablespoon), random Submit in a sterile container Protect from light Store and transport frozen TAT – 5 days | OHIP | LL | |
| PORPHYRINS, QUANTITATIVE (UROPORPHYRINS) (COPROPORPHYRINS) (HEPTACARBOXYLIC ACID) (HEXACARBOXYLIC ACID) (PENTACARBOXYLIC ACID) | RCML | 24-Hour Urine (Sodium Carbonate 5g preservative) 20 mL aliquot – submit in a 90 mL sterile urine container Protect from light during collection, processing, and transport Store and ship frozen State total 24-hour volume on the OHIP requisition and on the specimen container Retain a duplicate 50 mL sample in the fridge until test is reported. TAT – 5 days | OHIP | LL | |
| PORPHYRINS SCREEN | TEST NO LONGER AVAILABLE | ||||
| POST VAS (SEMEN ANALYSIS, POST VASECTOMY) (SEMEN POST VAS) | TEST NO LONGER AVAILABLE - REFER TO DYNACARE TEST NO LONGER AVAILABLE - REFER TO DYNACARE TEST NO LONGER AVAILABLE - REFER TO DYNACARE | ||||
| POTASSIUM | K | Plasma Hemolyzed specimens are not acceptable Enter as “K” and put “Plasma” in comments TAT – 1 day | GREEN with Heparin | OHIP | BTL |
| POTASSIUM | K | Serum Hemolyzed specimens are not acceptable TAT – 1 day | YELLOW SST | OHIP | BTL |
| POTASSIUM | URK | Urine, 10 mL (random) Submit in an orange or white cap container TAT – 2 days | OHIP | LL | |
| POTASSIUM | 24UK | 24 Hour Urine (no preservative) (May also be accepted if collected with 6N HCl as preservative) 10mL aliquot – submit in a sterile urine container ●Testing includes urine creatinine and total volume State total 24 hour volume on the OHIP requisition and on the specimen container Store and ship refrigerated Retain a duplicate 50 mL urine sample in the fridge until test is reported TAT – 2 days | OHIP | LL | |
| PRADER-WILLI SYNDROME (PWS) See MOLECULAR GENETICS (I) | RCHEO | ||||
| PREALBUMIN | RCML | Serum,1ml Centrifuge and separate Store and transport refrigerated TAT – 10 days | YELLOW SST | $25.00 | LL |
| PREGNANCY TEST | PREG | Urine, 10 mL (random) Submit in an orange or white cap container First morning specimen preferred TAT – 1 day | OHIP | BTL | |
| PREGNANEDIOL (PROGESTERONE) | PROG | Serum Centrifuge and separate. Store and transport frozen TAT – 1 day | YELLOW SST | OHIP | LL |
| PREGNANETRIOL (17-OH PROGESTERONE) See 17-HYDROXY PROGESTERONE | 17HP | ||||
| PRE-NATAL SCREEN (REPEAT PRENATAL ANTIBODIES) (TYPE & SCREEN) (ABO & SCREEN) See ABO & Ab SCREEN | BGR AS | ||||
| PRE-NATAL SCREENING WITH HIV FOR PHL | HEPBM RUBL HIV VDRL | Blood If using SST tubes, centrifuge only Store and transport refrigerated Complete Prenatal form must be attached Group test includes: Hepatitis B Prenatal Rubella Antibody Prenatal HIV Prenatal PHL Prenatal VDRL **If Rubella is to be performed in-house, use code RPHL for Rubella. TAT – 15 days | 2 PLAIN RED or 2 YELLOW SST | N/C | PHL BTL (Rubella) |
| PRE-NATAL SCREENING WITHOUT HIV FOR PHL | HEPBM RUBL VDRL | Blood If using SST tubes, centrifuge only Store and transport refrigerated Complete Prenatal form must be attached Group test includes: Hepatitis B Prenatal Rubella Antibody Prenatal PHL Prenatal VDRL **If Rubella is to be performed in-house, use code RPHL for Rubella. TAT – 15 days | 2 PLAIN RED 2 YELLOW SST | N/C | PHL BTL (Rubella) |
| PRIMIDONE See MYSOLINE | RCML | ||||
| PROCAINAMIDE (PRONESTYL) | RCML | Serum, 2 mL Collect specimen 10 – 12 hours after last dose Record time in hours that have elapsed between last dose and specimen collection TAT – 5 days | PLAIN RED | OHIP | LL |
| PROGESTERONE See PREGNANEDIOL | PROG | ||||
| PROGRAF (TACROLIMUS) See FK-506 | RCML | ||||
| PROINSULIN | RCML | Plasma, 2 mL Overnight fasting sample is required Allow tube to clot refrigerated Centrifuge and separate as soon as possible Freeze immediately Store and transport frozen TAT – 14 days | YELLOW SST | $96.00 | LL |
| PROLACTIN | PRL | Serum Centrifuge only TAT – 1 day | YELLOW SST | OHIP | LL |
| PROLIFERATING CELL NUCLEAR ANTIBODIES (ANTI – PCNA) | TEST NO LONGER AVAILABLE | ||||
| PRONESTYL See PROCAINAMIDE | RCML | ||||
| PROPAFENONE (RYTHMOL) | TEST NO LONGER AVAILABLE | ||||
| PROPOXYPHENE See DARVON | RCML | ||||
| PROPRANOLOL See INDERAL | TEST NO LONGER AVAILABLE | ||||
| PROSTATE SPECIFIC ANTIGEN, TOTAL- SCREENING ONLY (PSA SCREEN) (PSA TOTAL) | PSAU | Serum Centrifuge only Stable 48 hrs refrigerated or several weeks frozen Cannot add PSA after 2 days as samples are not kept frozen NOT COVERED BY OHIP TAT – 1 day | YELLOW SST | $60.00 | BTL |
| PROSTATE SPECIFIC ANTIGEN, TOTAL-DISEASE STATE (PSA, TOTAL DISEASE STATE, OPSA) (PSA-NO CHARGE) | PSAI | Serum Centrifuge only Stable 48 hrs refrigerated or several weeks frozen Cannot add PSA after 2 days since Bio-Test doesn’t freeze samples OHIP covered PSA Physician MUST indicate on requisition for treatment, monitoring or diagnosis of cancer Covered by OHIP, no charge TAT – 1 day | YELLOW SST | OHIP | BTL |
| PROSTATE SPECIFIC ANTIGEN, FREE/TOTAL RATIO (PSA, FREE / TOTAL RATIO) | FPSAU | Serum Centrifuge only Testing Includes Total PSA ● TAT – 3 days | YELLOW SST | 60.00 | BTL |
| PROTEIN C (FUNCTIONAL/ IMMUNOLOGICAL) | PRO TEINC | Plasma, 3 mL Coumadin should be restricted for 2 weeks prior to the test. Consult with the patient’s physician before proceeding with the test (document the call on the OHIP requisition). Centrifuge and separate plasma immediately. Store and transport frozen TAT – 15 to 25 days | LIGHT BLUE | $50.00 | LL |
| PROTEIN ELECTROPHORESIS (SPE, MONOCLONAL PROTEIN) (GAMMOPATHY SCREEN) | PE | Serum, 1 mL Can detect monoclonal antibodies ● Testing Includes Total Protein and Albumin ●Testing done every 18 patients TAT – variable | YELLOW SST | OHIP | BTL |
| PROTEIN ELECTROPHORESIS (PEP) (SPE- 24 HOUR) | 24PEL | 24-Hour Urine (no preservative) 10 mL aliquot – submit in a white cap container labelled “CREATININE” and a 50 mL aliquot – submit in a white cap container labelled “PEP” State total 24-hour volume on the OHIP Requisition and on the specimen container Retain a duplicate 50 mL sample in the fridge until test is reported. Store and ship refrigerated ● Testing Includes Total Protein, Urine Creatinine ● TAT – 3-4 days | OHIP | LL | |
| PROTEIN ELECTROPHORESIS (PEP- RANDOM) | RCML | Urine, 10mL (random) Collect FIRST morning urine into a sterile 90mL urine container Store and ship refrigerated ● Testing Includes Total Protein● TAT – 3-4 days | OHIP | LL | |
| PROTEIN S, FREE/TOTAL | PRO TEINS | Plasma, 2 mL Centrifuge and separate Store and transport frozen Patient should not be on anticoagulant therapy Reference range applies to patients 18 year of age and older ●Total analysis will only be performed if Protein S, Free is low TAT – 15 to 25 days | LIGHT BLUE | $50.00 | LL |
| PROTEIN S, TOTAL See PROTEIN S, FREE/TOTAL | |||||
| PROTEIN, TOTAL-FLUID | RCML | Serum Centrifuge and transport refrigerated TAT – 1 day | YELLOW SST | OHIP | LL |
| PROTEIN, TOTAL-SERUM | TP | Serum Centrifuge only TAT – 1 day | YELLOW SST | OHIP | BTL |
| PROTEIN, TOTAL QUALITATIVE (ALBUMIN, QUALITATIVE URINE) | RCML | Urine, 10 mL (random) Submit in an orange or white cap container TAT – 2 days | OHIP | LL | |
| PROTEIN, TOTAL QUANTITATIVE | RCML | Urine, 10 mL (random) Submit in an orange or white cap container TAT – 1 day | OHIP | LL | |
| PROTEIN, TOTAL 24 HOUR URINE | RCML | 24 Hour Urine (no preservative) 10 mL aliquot – submit in an orange or white cap container labelled “ CREATININE” and a 10 mL aliquot – submit in an orange or white cap container labelled “ PROTEIN” State total 24-hour volume on the OHIP Requisition and on the specimen container ●Testing includes urine creatinine and total volume. Retain a duplicate 50 mL sample in the fridge until test is reported. Store and ship refrigerated TAT – 1 day | OHIP | LL | |
| PROTEUS OX– 19 | SEROLOGY TEST NO LONGER AVAILABLE | ||||
| PROTHROMBIN MUTATION See FACTOR II MUTATION | RCHEO | ||||
| PROTHROMBIN TIME (PRO TIME, PT) See INR | COA | ||||
| PROTOPORPHYRINS (PORPHYRINS RBC) See PORPHYRINS, BLOOD | PORBL PORPB | ||||
| PROTRIPTYLINE (TRIPTIL) | RCML | Serum, 3 mL Centrifuge and separate Store and transport refrigerated (SST is unacceptable) TAT – 20 days | PLAIN RED | OHIP | LL |
| PROZAC See FLUOXETINE | PROZ | ||||
| PSA, TOTAL See PROSTATE SPECIFIC ANTIGEN, TOTAL-SCREENING ONLY | PSAU | ||||
| PSA, TOTAL (PSA- NO CHARGE, OPSA) See PROSTATE SPECIFIC ANTIGEN, TOTAL-DISEASE STATE | PSAI | ||||
| PSA, FREE / TOTAL RATIO See PROSTATE SPECIFIC ANTIGEN FREE/TOTAL RATIO | FPSAU | ||||
| PSEUDOCHOLINESTERASE See CHOLINESTERASE, PHENOTYPE | RCML | ||||
| PSITTACOSIS ANTIBODY See CHLAMYDIA, PSITTACI | RPHL | ||||
| PT (PRO TIME) (PROTHROMBIN TIME) See INR | COA | ||||
| PTH See PARATHYROID HORMONE | PTH | ||||
| PTH RELATED PEPTIDE (PTH-Rp) | RCML | Plasma Centrifuge and separate immediately Store and ship at ROOM TEMPERATURE Whole Blood will not be accepted for testing TAT -- 1-2 weeks | GREEN with Heparin | $63.00 | LL |
| PTT See PARTIAL THROMBO-PLASTIN TIME | PTT | ||||
| PYRIDINIUM | TEST NO LONGER AVAILABLE | ||||
| PYRIDOXAL PHOSPHATE (VITAMIN B6) (PYRIDOXINE) | B6 | Plasma, 2 mL Patient should avoid dietary Vitamin B6 on the day of collection. Overnight fasting required. Collect blood in Lavender top tube (EDTA). Mix thoroughly by gentle inversion. Centrifuge and separate as soon as possible. Transfer an aliquot of plasma to a labelled AMBER transport tube/protect from light. Store and ship frozen TAT – 10 days | LAVENDER | $75.00 | LL |
| PYRUVATE KINASE See PK SCREEN | PYRUV |