In-Common Laboratory
2017-021-Test Revision

Includes: ALP Isoenzymes and Prealbumin

2017-020-New Test Listing

Includes: QuantiFERON®-TB Gold

2017-017-Test Revision

Includes: Fat Quantitation, Faeces

2017-ICL Insider-Vol 2-Issue2

The ICL Insider: This issue of our newsletter features the Testosterone debate.

2017-016-Test Revisions

Includes: Cold Agglutinins, Estradiol, Hepatitis C Viral RNA, Hydroxychloroquin and Vitamin B2

2017-012-Test Updates

Includes: Myositis Antibodies Profile, Serum

2017-011-Clarification of Service

Includes: Aldosterone and Renin

2017-010-Test Updates

Includes: Vitamin B1, whole blood

2016-12-16-Test and Supply Updates

Includes: Test and Supply Updates

2016-34-ICL Insider-Vol 2-Issue1

The ICL Insider: This issue of our newsletter features Ethyl Glucuronide: A Biomarker of Alcohol Consumption.


Includes: Allergen-Specific IgE prices and stated TAT will be revised August 1, 2016 to reflect variable costs for rarely ordered tests.


Includes: Androstenedione method and test site revised effective 27-Jun-2016.


Includes: Glutamic Acid Decarboxylase Antibodies.


Includes: Find-a-Test service.


Includes: Pyruvate Kinase, RBC.

2016-04-06-Test Revisions

Includes: ACTH, BK Virus - Plasma and BK Virus - Urine.

2016-04-25-Test Revision

Includes: 2,3-Dinor 11-Beta-Prostaglandin F2a reference range revision.

2016-03-07-New Tests & Revisions

Includes: Nicotine - Urine Screen RES Codes, Plasma Porphyrins Quantitation.


Includes: Test revisions for 2,3-Dinor 11-Beta-Prostaglandin F2a, Amylase and Alpha-1-Antitrypsin Clearance. New Test: Muscle-Specific Kinase (MuSK) Autoantibody.


Includes: Aldosterone - 24hU, Creatinine Clearance, and notice of future reference revision for Neuromyelitis Optica Antibody IgG - Serum, and future test discontinuation of Neuromyelitis Optica Antibody IgG - CSF.

2016-02-29-New & Revised Tests

Includes: New Allergen Component Panels ( Egg Panel, Hazel Nut Panel, Milk Panel and Wheat Panel), New tests ( CA 27.29, 21-Hydroxyprogesterone, IGF Binding Protein 3, Lactate Dehydrogenase - CSF, Nicotine Screen - Urine, Pregnenolone - Serum), and test revisions ( Histamine - Plasma and Procollagen Type 1 Intact Terminal Propeptide (PINP).

2016-01-11-Test Revisions

Includes: revised whole blood Vitamin B1 collection, reporting revisions for urine Catecholamines, Metanephrines, VMA, Cholinesterase: Phenotype, NMDA Receptor Antibodies-Serum, NMDA Receptor Antibodies-CSF, and a test site change for HLA B27.

2016-01-15-Test Revisions

Includes: Test revisions for Fructosamine, Glycine - CSF and notification of future revisions for Creatinine Clearance, Estradiol and Vitamin B12.

2016-01-21-GAD65 Antibodies

New GAD65 Antibodies test site effective 29-Jan-2016.

2016-01-22-Vitamin B12 Revision

Vitamin B12 test revision effective 2-Feb-2016

2015-12-17-Holiday Notice

Holiday Hours

2015-12-18-New Tests & Revisions

Includes: Adalimumab & Antibodies, Alpha-1-Antitrypsin Clearance, Helicobacter pylori Antigen, NMDA Receptor Antibodies, Serum, NMDA Receptor Antibodies, CSF, Xylose Tolerance Test (1h), and Xylose Tolerance Test (2h).

2015-11-01-ICL Insider-Vol 1-Issue2

ICL Insider: View the second issue of our newsletter which has a focus on the quality of reference testing processes.

2015-11-04-New&Discontinued Tests

Includes: Infliximab with Reflex Antibodies and Paliperidone. Discontinued Tests: Ethylene Glycol (Urine), Protriptyline (Serum or Plasma), Spironolactone (Urine).

2015-11-16-Test Revisions

Includes: Two new Allergen-specific IgE tests, Animal Mix and Meat Mix; new test Cystinuria Monitoring; specimen handling revision Hemoglobin A1c; new test Myelin-Associated Glycoprotein Antibodies IgM; fee reduction for Prostaglandin D2.

2015-10-13-New Tests

Ten new serum/plasma drug analytes are now available at new test sites following discontinuation of service at other labs. Includes: Chlordiazepoxide, Chlorpromazine, Diazepam + Metabolite, Ibuprofen, Oxazepam, Paroxetine, Procainamide + Metabolite, Propafenone, Quinidine and Trazodone.

2015-10-26-New Supplier Interface

A results interface with Hospital for Sick Children, Toronto, will be activated effective 13-Nov-2015. Test revisions necessitated by this interface are described.

2015-09-08-AAS Metals Discontinued

Metals analysis by Atomic Absorption Spectrometry will be discontinued effective 28-Sep-2015.

2015-09-08-New ICP-MS Service

Effective 5-Oct-2015 a new service for metals analysis by ICP-MS will be added to the menu. Test site: HRLMP, Trace Metals Program.

2015-09-08-New Metals Database

Database for new metals tests including REF/RES codes, units and reference intervals. Test site: HRLMP, Trace Metals Program.

2015-09-08-Specimen Containers for Metals

Description of specimen collection, handling and transfer containers for new metals ICP-MS services. Test site: HRLMP, Trace Metals Program.

2015-09-22-Test Revisions

Reference values for Alpha-2-Antiplasmin and Plasminogen are revised to reflect a method re-validation.

2015-09-22-Trace Metals Follow-Up

Follow-up reminder that a new trace metals analysis service will be available effective 5-Oct-2015

2015-08-06-Telephone Reporting of Critical & Urgent Results

Telephone Reporting of Critical & Urgent Results.

2015-08-14-Authorized Requester & Report Destination

Targeted requisition review (electronic & paper) to ensure authorized requester and report destination are included.

2015-07-20-Test Revision

Includes: Alpha-1-Antitrypsin Phenotyping Method Revision effective August 2, 2015 (from IEF to Proteotyping by LC-MS/MS).

2015-07-27-Test Revision

Includes: Beta-D-Glucan Fungitell

2015-07-28-New Test

Includes: Volatiles Screen

2015-06-01-ICL Insider-Vol 1-Issue1

ICL Insider: View the first issue of our newsletter which has a focus on the quality of reference testing processes.

2015-06-08-New Tests & Revisions

Includes: Drug Screen - 11 Panel; Beta Hydroxybutyrate; Various fluid tests reporting revision; Immunoglobulin G Subclasses reporting revision.

2015-06-08-Test Update & Revision

Includes: Update of Protein S testing service: Protein S: Free, Protein S: Total, Protein S: Free & Total.

2015-06-15-New Tests & Revisions

Includes: Aldosterone/Renin Activity Ratio, Anti-Mullerian Hormone, Insulin-Like Growth Factor 1, Thiopurine Methyltransferase, 1,25-Dihydroxyvitamin D: Notification of new method effective June 22, 2015.


Includes: Free Erythrocyte Protoporphyrin.

2015-05-01-New and Revised Tests

Includes: Prostaglandin D2, Lactate Dehydrogenase - Fluid, and Beta Hydroxybutyrate (effective June 1, 2015).

2015-05-01-Protein S

Includes: Protein S: Free , Protein S: Total, Protein S: Free + Total.

2015-05-15-Test Revision - Aldosterone, Urine

Includes: Aldosterone - Urine.

2015-05-15-Test Revision - Renin

Includes: Renin Mass.

2015-05-15-Test Revisons - Drugs

Specified drug analyses will be discontinued June 15, 2015.

2015-04-10-Test Revisions

Includes: Creatinine - 24h Urine , Lactate Dehydrogenase - Fluid, Iron - Serum.

2015-04-28-Test Revisions

Includes: Protein C: Functional , Protein C: Immunological, Protein S: Free & Total.

2015-03-12-New Test Service

USDTL offers perinatal/forensic testing for drugs in various specimens: hair, meconium, nail, umbilical cord, urine.

2015-03-30-Test Revision

Includes: Zinc - Plasma.

2015-02-03-Test Revisions

Includes: Serum Immunoglobulin A, Immunoglobulin G, Immunoglobulin M, Profile.

2015-02-04-New Tests

Includes: Histamine - Plasma , Histamine - Urine , Parathyroid Hormone-Related Protein.

2015-02-10-Test Revisions

Includes: Aluminium - Fluid , Corticosteroid Binding Globulin, Ethylglucuronide - Urine, Porphobilinogen Deaminase, Renin Activity.

2015-02-23-Test Revisions

Includes: Allergen (Peanut) Components: rARA h1 Peanut (f422) ; rARA h2 Peanut (f423) ; rARA h3 Peanut (f424) ; rARA h8 PR10 Peanut (f352) ; rARA h9 Peanut (f427) ; rAra h Peanut, IgE Panel. Citric Acid - Urine , High Molecular Weight Kininogen, Lipase - Plasma, Nickel - Plasma, Nickel - Whole Blood, Pyruvate Kinase, Trazodone, Triiodothyronine: Total, Vitamin E.

2015-01-28-Test Revisions

Includes: Arsenic - Nail, 17 Hydroxycorticosteroids, Insulin-Like Growth Factor B.P. 3, Intrinsic Factor Antibodies, Lead - Nail, Macroprolactin, , Mercury - Nail, Synovial Fluid Examination, Discontinued: Lactoferrin nBos d (f334), IgE (Mnemonic LACTOBD); Fructose - Semen (Mnemonic FRUC); Xylose - Plasma (Mnemonic XYL1P).

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