Test ID: IGM
CPT code: 82784
LOINC: 2472-9
Specimen Type: SST
Frequency: Setup: Mon-Fri; TAT 1-3 days
Instructions: >0.2mL serum from SST, separate ASAP, refrigerate. Fasting specimen
preferred.
Text: Evaluate humoral immunity; diagnose and monitor therapy in
macroglobulinemia of Waldenstrom or plasma cell myeloma.
Methodology: NEPHELOMETRY