Immunoglobulin A Subclasses 1 & 2
Test Mnemonic
IGA12
CPT Codes
- 82784 - QTY (1)
- 82787 - QTY (2)
Aliases
- IgA Subclassses with Total IgA
- Immunoglobulin A Subclasses (1 & 2)
Includes
- Immunoglobulin A
- Immunoglobulin A Subclass 1
- Immunoglobulin A Subclass 2
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Serum | SST (Gold) | Refrigerated | Centrifuge aliquot and refrigerate serum immediately. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.7 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | After separation from cells: 14 days |
| Frozen | After separation from cells: 6 months |
| Ambient | After separation from cells: Unacceptable |
Days Performed
Wed, Sat
Turnaround Time
2 - 6 days
Methodology
| Name | Description |
|---|---|
| Quantitative Immunoturbidimetric |
Special Info
Grossly hemolyzed or lipemic specimens will be rejected. This test is New York DOH approved.
Clinical Info
Secondary test in suspected immunoglobulin deficiency.