Protein Electrophoresis, 24 Hour Urine *

SIM

LAB438

CPT

84166; 84156 

Synonyms

24 Hr. Urine Protein Electrophoresis; UPEP, 24 Hr. 

Specimen Type

Urine (24-hour)

Container

24 Hr. plastic urine container with no preservative

Collection Instructions

Collect urine over a 24 hour time period, Mix well

Volume

Volume: 20 mL
Minimum volume: 6 mL

Additional Information

Work up myeloma, macroglobulinemia of Waldenström, lymphoma, amyloidosis; differentiate between normal renal function, glomerular proteinuria, and tubular proteinuria. 
This test does not include the Protein Immunofixation.

Patient Preparation

Specimen Processing Instructions

Mix urine well, measure urine volume and transfer to plastic urine container. Write the 24-hour volume on the container and on request form.

Transport Requirements

Refrigerate

Specimen Stability

Refrigerated: 3 days 

Rejection Criteria

Preservative added

Reference Range

Interpretation accompanies report

Critical Value

Test Includes

Evaluation of protein electrophoretic bands; protein electrophoresis, urine;  quantitation of M-spike if present 

Methodology

Electrophoresis on agarose media 

Testing Frequency

LCA

261511 

Reviewed By

Rhonda Crowe  

Reviewed Date

2/24/23

Supplemental

* Denotes Reference Lab Test