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Test Code IGA IgA, LAB73

Methodology

Nephelometry

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

Container/Tube:

Preferred: Green-top (lithium heparin) tube

Acceptable: Gold-top serum gel tube or plain red-top tube

Specimen Volume: 0.1 mL of plasma or serum

Stability: Separated specimens should be analyzed immediately or kept at 2 – 8 °C and

               analyzed within 7 days. For longer storage, samples may be frozen at -20 °C

               for up to 3 months.

 

Reference Values

0 days-4 months: 5-64 mg/dL
5-8 months: 10-87 mg/dL
9-14 months: 17-94 mg/dL
15-23 months: 22-178 mg/dL
2-3 years: 24-192 mg/dL
4-6 years: 26-232 mg/dL
7-9 years: 33-258 mg/dL
10-12 years: 45-285 mg/dL
13-15 years: 47-317 mg/dL
16-17 years: 55-377 mg/dL
≥18 years: 70-400 mg/dL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82784

Useful For

Quantitative determination of the immunoglobulins can provide important information on the humoral immune status.