IgM (IGM)

Department: Chemistry
Test Synonym(s): LAB72, IGM, IgM Quantitative Blood, Immunoglobulin M
CPT Codes: 82784
Methodology: Immunoturbidimetric
Reference Range: 0-<15 days: 5-35 mg/dL; 15 days-<13 wks: 10-70 mg/dL; 13 wks-<1 yr: 16-90 mg/dL; 1-<19 yrs: 50-190 mg/dL (female), 40-150 mg/dL (male); 19-150 yrs: 33-293 (female), 22-240 (male)
Tube Type: Light green top PST (Lithium Heparin with gel)
Specimen: Plasma
Pediatric Requirements: 1 light green top microtainers
Volume: 2 mL plasma
Minimum Volume: 1 light green top
Temperature: Separate within one hour and store at 2-8C until delivery
Stability: Room temperature: 7 days; Refrigerated: 7 days; Frozen: 6 months
Reasons for Rejection: Hemolysis, improper collection
Days Performed: Daily
Times Performed: Continuous

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