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Test Code LAB73 Immunoglobulin A (IgA), Serum/Plasma

Reporting Title

IgA

Methodology

Immunoturbidimetric Assay

Note:  LAB166  “Immunoglobulins (IgG, IgA, and IgM)” orders IgG, IgA, and IgM.

Useful in the detection of monitoring of monoclonal gammopathies and immune deficiencies. #46015 “Immunofixation, Serum” is usually required to characterize a monoclonal protein.

Performing Laboratory

OhioHealth Laboratory Services-RMH Special Testing

Specimen Requirements

Draw blood in a gold-top serum gel tube(s). Spin down and send 0.5 mL of serum refrigerated.

Note:

1.A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable.

2.A mint green (heparin) gel tube is also acceptable

 

Specimen Stability Information

Specimen Type Temperature Time
Serum or plasma Refrigerated 8 months
  Ambient  8 months
  Frozen  8 months

 

Specimen Transport Temperature

Refrigerate/Ambient OK/Frozen OK

Reference Values

Cord blood:  <5 mg/dL

0-3 months:  0-54 mg/dL

3-7 months:  5-84 mg/dL

7-12 months:  10-89 mg/dL

1-4 years:  15-158 mg/dL

4-6 years:  25-252 mg/dL

6-9 years:  35-198 mg/dL

9-11 years:  45-233 mg/dL

>11 years:  84-381 mg/dL

Day(s) Test Set Up

Monday through Friday Continuous

Saturday and Sunday Day shift only

Test Classification and CPT Coding

82784