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HelpTest Code RMPU Monoclonal Protein Studies, Random, Urine
Ordering Guidance
The use of a random urine specimen is sufficient for identifying the presence or absence of monoclonal proteins, but a 24-hour specimen is preferred for quantitating and monitoring the abnormality. See SMPU / Monoclonal Protein Studies, 24 Hour, Urine.
Shipping Instructions
Refrigerate specimen during collection and send refrigerated.
Specimen Required
Supplies: Urine Container, 60 mL (T313)
Submission Container/Tube: Plastic, 60-mL urine bottle
Specimen Volume: 50 mL
Collection Instructions:
1. Collect a random urine specimen.
2. Aliquot between 30 mL and 50 mL of urine into a plastic, 60-mL urine bottle.
Specimen Type
UrineSpecimen Minimum Volume
30 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 14 days | |
| Frozen | 5 days | ||
| Ambient | 24 hours |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
CREATININE:
≥18 years old: 16-326 mg/dL
Reference values have not been established for patients younger than 18 years of age.
PROTEIN/CREATINE RATIO:
≥18 years: <0.18 mg/mg creatinine
Reference values have not been established for patients younger than 18 years of age.
ELECTROPHORESIS, PROTEIN:
The following fractions, if present, will be reported as mg/dL:
Albumin
Alpha-1 globulin
Alpha-2 globulin
Beta globulin
Gamma globulin
No reference values apply to random urines.
MASS-FIX M-PROTEIN ISOTYPE:
M-protein Isotype MS:
No monoclonal protein detected
Flag M-protein Isotype MS:
Negative
Day(s) Performed
Monday through Friday
Report Available
4 to 6 daysSpecimen Retention Time
See Individual Test IDsPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84156
82570
84166
0077U