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.
Report Available
STAT within 1 hour upon receipt
Routine within 2 hours upon receipt