A Service of the Hamilton Regional Laboratory
Laboratory Test Information
Committed to Quality
The HRLMP is committed to providing high quality laboratory results for our clients.
As one of the largest integrated laboratory medicine programs in Canada we strive to produce the right results the first time on every sample we receive.
Test Name:
Immunoglobulin G Subclasses (IgG1, IgG2, IgG3, IgG4), Serum
Alternate Name(s): Immunoglobulin G Subclasses (IgG1, IgG2, IgG3, IgG4)

Specimen Requirement: 1 mL Serum
Specimen Handling Instructions:
Ship at -20°C or colder.

Sample Stability:
Store samples at 2-8°C for up to 8 days, or else -20°C.

Reference Interval: View at: https://lrc.hrlmp.ca/uploaded/RI_IgG subclass RI.pdf
Turnaround Time: 6 days
Method of Analysis: Immunoturbidimetric, Optilite
Test was Last Updated: 4/13/2023
Testing Laboratory: Clinical Chemistry & Immunology
Testing Site: HGH