24 Hour Urine Protein with Electrophoresis and Immunofixation, Urine

For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

Test Code

Alias/See Also
Bence Jones;
IEP (urine);
IFE (urine);
IPEP (comment: urine);
Light Chain Protein (U);
Light Chains:
Urine Total Protein 24 HR

CPT Codes
84156, 84166, 86335

Preferred Specimen
Unpreserved urine from a well mixed 24 hour urine collection

Minimum Volume
10 mL

Obtain specimen in urine collection cup

Transport Container
Urine Collection Cup

Transport Temperature

Specimen Stability
Room Temperature = n/a
Refrigerated = 1 week
Frozen = 4 months

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.


Setup Schedule
Monday - Friday

Report Available
2 - 3 days

Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.