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Labcorp Oklahoma, Inc.
Test Directory


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Immunoglobulin IgM Quantitative

Order Name IGM
Test Number: 5001200
Revision Date 10/03/2017
Test Name Methodology LOINC Code
Immunoglobulin IgM Quantitative
Nephelometry 2472-9 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL Serum Clot Activator SST Refrigerated
Instructions Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection.
Stability After separation from cells: Ambient 4hours, Refrigerated 7 days, Frozen 1 months (avoid repeated freeze/thaw cycles).
GENERAL INFORMATION
Testing Schedule Mon - Sat 
Expected TAT 3 Days  
Clinical Use Useful for the detection of monoclonal gammopathies and immune deficiencies. 
CPT Code(s) 82784
Lab Section Immunology - Serology