Protein Electrophoresis with M Spike, Progressive, 24-Hour Urine

Test Code

CPT Codes
82570, 84156, 84166

This is a progressive profile. If the Protein Electrophoresis is abnormal, the test will automatically progress at an additional charge to Immunofixation for identification of the abnormal protein.

Preferred Specimen
25 mL aliquot of an unpreserved 24-hour urine submitted in a plastic leak-proof urine container

Minimum Volume
15 mL

Collect without preservative and refrigerate during collection. Please specify on the request form and on the urine container the total 24-hour urine volume (required for processing).

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: Not established
Refrigerated: 72 hours
Frozen: 30 days


Setup Schedule
Set up: Mon-Sat; Report available: Next day

Reference Range
See Laboratory Report

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

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.