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HelpTest Code LAB72 Immunoglobulin M (IgM)
Department
CHEMISTRY
Primary Collection Container
Gold (SST)
Alternate Collection Container
Yellow Microtainer SST
Transport
Serum refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge and refrigerate.
Separate from cells if testing is delayed more than 8 hours.
Freeze if assay is not to be completed in 48 hours.
Stability
Refrigerated: 7 days
Minimum Testing Volume
0.5 mL
Reference Range
0-1mo 0-30 mg/dL
1mo-4mo 11-106 mg/dL
4mo-7mo 26-92 mg/dL
7mo-1yr 28-128 mg/dL
1-2yr 26-179 mg/dL
2-3yr 50-178 mg/dL
3-6yr 36-171 mg/dL
6-9yr 38-178 mg/dL
9-12yr 31-198 mg/dL
12-17yr 34-266 mg/dL
>17yr 34-257 mg/dL
Methodology
Roche c503 Immunoturbidimetric assay
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
82784
Unacceptable Conditions
Gross lipemia.
Gross hemolysis.