Immunoglobulin A
Ordering Recommendation
Aid in diagnosis or monitoring of IgA monoclonal gammopathies and IgA-related immune deficiencies.
Methodology
Quantitative Immunoturbidimetry
Performed
Sun-Sat
Reported
1-3 days
New York DOH Approval Status
Specimen Required
Serum separator tube or green (sodium or lithium heparin).
Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Refrigerated.
Grossly hemolyzed or lipemic specimens
After separation from cells: Ambient: Unacceptable; Refrigerated: 14 days; Frozen: 6 months
Reference Interval
Effective February 16, 2021
0-2 years: 2-126 mg/dL 3-4 years: 14-212 mg/dL 5-9 years: 52-226 mg/dL 10-14 years: 42-345 mg/dL 15-18 years: 60-349 mg/dL 19 years and older: 68-408 mg/dL |
Interpretive Data
FDA
Note
Hotline History
Hotline History
CPT Codes
82784
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0050340 | Immunoglobulin A | 2458-8 |
Aliases
- IgA
- IgA, Serum
- Immunoglobulin A