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Test Code IGM IGM, LAB72

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

Males

0 days-4 months: 14-142 mg/dL

5-8 months: 24-167 mg/dL

9-23 months: 35-200 mg/dL

2-3 years: 41-200 mg/dL
4-17 years: 47-200 mg/dL

≥18 years: 40-230 mg/dL
Females

0 days-4 months: 14-142 mg/dL
5-8 months: 24-167 mg/dL

9-23 months: 35-242 mg/dL
2-3 years: 41-242 mg/dL
4-17 years: 56-242 mg/dL
≥18 years: 40-230 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.