Specimen Collection Manual and Test Catalog
IMMUNOGLOBULIN G SUBCLASSES
Geisinger Epic Procedure Code: LAB2519 Geisinger Epic ID: 19003SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate collection container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
2 mL aliquot of serum; minimum 1 mL.
Special notes:
Plasma is not acceptable.
SPECIMEN PROCESSING
Processing instructions:
Allow to clot. Centrifuge 10 minutes at 3000 rpm.
Transport temperature:
Refrigerated.
Specimen stability:
Room remperature: 72 hours. Refrigerated: 10 days. Frozen: 30 days.
Rejection criteria:
Plasma is not acceptable. Gross hemolysis. Lipemia.
TEST DETAILS
CPT code(s):
82787 x4, 82784
Note: The billing party has sole responsibility for CPT coding. Any
questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Immunoglobulin G Subclasses 1, 2, 3, 4, IgG (Immunoglobulin G)
Methodology:
Immunoturbidometric Assay
Synonyms:
IGGS, IMMUNOGLOBULIN G SUBCLASSES, Quest test code 129192
Clinical significance:
Review Date:
11/12/2024 Immunoglobulin G Subclasses Panel - Measurement of IgG subclasses may be helpful in the management and understanding of immunodeficiency diseases, hypersensitivity states, and conditions involving susceptibility to infection.
Performing Locations