Published on April 08, 2015

Monoclonal Gammopathy Workup, Urine

Includes: Urine Total Protein, Urine Protein Electrophoresis and Interpretation, Urine Immunofixation Electrophoresis and Interpretation, M Spike, M Spike2, and M Spike3

Yellow Top Urine Tube

Container Type

Test ID   LAB5198
CPT Code(s)   84166, 86335, 84156
Group/Individual Test   Group
Laboratory   Performed by: Core & Special Chemistry Laboratories
Tube Station   30
Specimen Routine: 10 mL random urine in Yellow Top Urine Tube (No Preservative/Additive); see important Comments
  Micro: 2 mL random urine in Yellow Top Urine Tube (No Preservative/Additive)

Room Temperature: 4 Hours

Off Site Collections:
Centrifuge sample; Aliquot Urine & refrigerate within 4 hours of collection.
Refrigerated: 7 Days
Ambient: Not acceptable
Availability Routine: Monday-Friday, no weekends/holidays; Not available STAT
Turnaround Time   3 Days
Reference Range Normal:
Interpretation provided on report; call (984)974-2361 for questions regarding interpretation.

Methodology: Gel Electrophoresis

-Samples must be received in Core Laboratory by 6:00 AM for same day testing.
-Multiple test requests with same sample type will require additional volumes for testing.

Reviewed by Christopher Parker on May 19, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514