General Information

UPHSM LIS Test #: 837
Schedule: Monday-Friday
Testing Time: 2 days
Testing Lab: Labcorp

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 30 (10) mL
Temperature: Refrigerated
Tube Type: Plastic container
Collection Info:
Collect 24-hour urine; mix well. Send 30 mL aliquot. Refrigerate specimen after collection. Provide patient's age and clinical diagnosis.

Causes for Rejection:
Preservative added

Specimen Acceptability

Specimen rejected if preservative has been added.


Urine immunofixation (IFE) on agarose gel; urine electrophoresis on agarose media; visual light-chain typing

Clinical Utilities

Characterize the species of protein or proteins in cases of proteinuria; of value in the study of monoclonal gammopathies, lymphoproliferative diseases, including lymphoma; special application to multiple myeloma, macroglobulinemia of Waldenstrom, and amyloidosis; work up monoclonal gammopathy (M-spike).

CPT Codes

84156, 84166, 86335

* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Reference Range

Reference ranges per report. The protein electrophoresis scan is provided separately.