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Published on April 08, 2015

Myeloma Workup, Urine, Random

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

Yellow Top Urine Tube

Specimen Type


Test ID   LAB5198
CPT Code(s)   84166, 86335
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.
Interpretation for M Spike, M Spike2, and M Spike3 is Not Present.

Methodology: Gel Electrophoresis

-Should be submitted with Serum Myeloma Workup to rule out Light Chain Disease.

-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 December 09, 2019

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