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HelpTest Code 453 Immunoglobulin M (IgM)
Additional Codes
ALAB: IGM
PowerChart: IgM Gammaglobulin
MA Cerner: IgM.
Test Method
Immuno-Turbidimetric Method; Beckman DxC700AU
Specimen Requirement
1 mL of serum required.
Additional Specimen Collection Information
Collect blood in a red-top or serum gel (SST) tube. Serum should be separated from contact with the cells within 2 hours of collection. Specimens not centrifuged within 4 hours of collection may be rejected. Refrigerate the specimen if unable to assay within 8 hours of collection. Store refrigerated for 48 hours. Freezing is not recommended. Samples with >3+ lipemia will be rejected.
Performance
Testing is performed Monday through Sunday.
Routine: Typically 4 hours after the specimen arrives at testing site.
Expedite/STAT: Typically 1 hour after the specimen arrives at testing site.
Reference Values
0 - <5 months: 26-122 mg/dL
5 - <9 months: 32-132 mg/dL
9 - <15 months: 40-143 mg/dL
15 - <24 months: 46-152 mg/dL
2 - <4 years: 37-184 mg/dL
4 - <7 years: 37-224 mg/dL
7 - <10 years: 38-251 mg/dL
10 - <13 years: 41-255 mg/dL
13 - <16 years: 45-244 mg/dL
16 - <18 years: 49-201 mg/dL
≥ 18 years: 37-286 mg/dL
CPT Code Information
82784 Chemistry: Gammaglobulin (immunoglobulin); IgA, IgD, IgG, IgM, each
Useful For
Detecting or monitoring of monoclonal gammopathies and immune deficiencies
LOINC Code Information
2472-9 IgM [Mass/Volume] In Serum Or Plasma