TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: IGGS    
IgG Subclasses, Serum

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

Testing includes total immunoglobulin G (IgG) as well as the 4 subclasses of IgG.

 

See Celiac Disease Diagnostic Testing Algorithm in Special Instructions

Specimen Type Describes the specimen type validated for testing

Serum

Advisory Information

If testing for immunoglobulin (Ig) G4-related diseases, the more appropriate test to order is IGGS4 / Immunoglobulin Subclass IgG4, Serum.

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Patient Preparation: Fasting preferred but not required

Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 1 mL

Special Instructions Library of PDFs including pertinent information and forms related to the test

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

0.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Gross hemolysis OK
Gross lipemia Reject
Gross icterus OK

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
SerumRefrigerated (preferred)14 days
 Ambient 14 days
 Frozen 14 days