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IgM
Test Code3040003240
Alias/See Also
1231100292
CPT Codes
82784
Includes
IMMUNOGLOBULIN, IGM
Preferred Specimen
Green Lithium Heparin (Gel separator preferred)
Minimum Volume
0.5 mL plasma
Other Acceptable Specimens
NA HEP Green top tubes (Contact Lab)
Instructions
Specimen must be centrifuged within 2 hours after collection and plasma pulled off cells.
Specimen Stability
Room Temperature: 4 months
Refrigerated: 8 months
Refrigerated: 8 months
Methodology
Abbott Alinity
Reference Range
Males:
0-90 Days: 6.0-21.0 mg/dL
90-365 Days: 17.0-143.0 mg/dL
1-12 Years: 41.0-183.0 mg/dL
12 Years and above: 22.0-240.0 mg/dL
Females:
0-90 Days: 6.0-21.0 mg/dL
90-365 Days: 17.0-150.0 mg/dL
1-12 Years: 47.0-240.0 mg/dL
12 Years and above: 33.0-293.0 mg/dL
0-90 Days: 6.0-21.0 mg/dL
90-365 Days: 17.0-143.0 mg/dL
1-12 Years: 41.0-183.0 mg/dL
12 Years and above: 22.0-240.0 mg/dL
Females:
0-90 Days: 6.0-21.0 mg/dL
90-365 Days: 17.0-150.0 mg/dL
1-12 Years: 47.0-240.0 mg/dL
12 Years and above: 33.0-293.0 mg/dL
Performing Laboratory
LITTLE ROCK LABORATORY
Last Updated: August 26, 2026
