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Test Code 451 Immunoglobulin A (IgA)

Additional Codes

MLAB: IGA

PowerChart: IgA Gammaglobulin

Epic: LAB73 IGA

MA Cerner: IGA.

Test Method

Immuno-Turbidimetric Method; Beckman DXC600/DXC880i

Specimen Requirement

1 mL of serum required.

Additional Specimen Collection Information

Collect blood in a red-top or serum gel (SST) tube. Serum should be separated from contact with the cells within 2 hours of collection. Specimens not centrifuged within 4 hours of collection may be rejected. Refrigerate the specimen if unable to assay within 8 hours of collection. If samples are stored for more than 48 hours they should be frozen at 15 - 20 C. Samples with >3+ lipemia will be rejected.

Performance

Testing is performed Monday through Sunday.

Routine: Typically 4 hours after the specimen arrives at testing site.

Expedite/STAT: Typically 1 hour after the specimen arrives at testing site.

Reference Values

0 - <5 months: 7-37 mg/dL

5 - <9 months:  16-50 mg/dL

9 - <15 months: 27-66 mg/dL

15 - <24 months: 36-79 mg/dL

2 - <4 years: 27-246 mg/dL

4 - <7: 29-256 mg/dL

7 - <10 years: 34-274 mg/dL

10 - <13 years: 42-295 mg/dL

13 - <16 years: 52-319 mg/dL

16 - <18 years: 60-337 mg/dL

≥ 18 years: 61-356 mg/dL

CPT Code Information

82784 Chemistry: Gammaglobulin (immunoglobulin); IgA, IgD, IgG, IgM, each

Useful For

Detecting or monitoring of monoclonal gammopathies and immune deficiencies

LOINC Code Information

2458-8 IgA [Mass/Volume] In Serum Or Plasma