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Labcorp Oklahoma, Inc.
Test Directory


Index:

Immunoglobulin IgA Subclasses, Serum

Order Name IGAS
Test Number: 6907825
Revision Date 12/12/2022
Test Name Methodology LOINC Code
Immunoglobulin A Subclass 1
Immunologic, quantitative 6886-6 
Immunoglobulin A Subclass 2
Immunologic, quantitative 6939-3 
Immunoglobulin A
Immunologic, quantitative 2458-8 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2 mL (0.7 mL) Serum Clot Activator SST Room Temperature
Alternate 1 2 mL (1) Serum Clot Activator (Red Top, No-Gel) Room Temperature
Instructions Specimen Type: Red-top tube or gel-barrier tube
Specimen Storage: Maintain specimen at room temperature.
Specimen Collection: Transfer specimen to a plastic transport tube. To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED.
Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 14 days
GENERAL INFORMATION
Expected TAT 3 - 6 days  
Performing Labcorp Test Code 123049 
Notes Labcorp Test Code: 123049
CPT Code(s) 82784, 82787x2
Lab Section Reference Lab