Test ID MPU Monoclonal Protein Studies, 24 Hour, Urine
Shipping Instructions
Send refrigerated.
Necessary Information
24-Hour volume (in milliliters) is required.
Specimen Required
Supplies: Urine Container, 60 mL (T313)
Submission Container/Tube: Plastic, 60-mL urine bottle
Specimen Volume: 50 mL
Collection Instructions:
1. Collect urine for 24 hours and refrigerate during collection.
2. Aliquot between 30 mL and 50 mL urine into plastic, 60-mL urine bottle.
Additional Information: See Urine Preservatives-Collection and Transportation for 24-Hour Urine Specimens for multiple collections.
Reporting Name
M-protein Studies, 24 HR, USpecimen Type
UrineSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 14 days |
| Frozen | 5 days | |
| Ambient | 24 hours |
Report Available
4 to 6 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| MPU | M-protein Studies, 24 HR, U | 101910-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 607970 | Albumin | 6941-9 |
| 617117 | M-protein Isotype MS, 24 HR, U | In Process |
| TP6 | Total Protein, 24 HR, U | 2889-4 |
| TM24 | Collection Duration | 13362-9 |
| 617118 | Flag M-protein Isotype MS, 24 HR, U | No LOINC Needed |
| 607971 | Alpha-1 globulin | 6794-2 |
| 607972 | Alpha-2 globulin | 6795-9 |
| VL92 | Urine Volume | 3167-4 |
| 607973 | Beta globulin | 94714-3 |
| 607974 | Gamma globulin | 94715-0 |
| 2833 | A/G Ratio | 44294-7 |
| 21446 | M spike | 42482-0 |
| 22307 | M spike | 42482-0 |
| 21447 | Impression | 32210-7 |
Forms
If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.
Useful For
Monitoring patients with monoclonal gammopathies
Day(s) Performed
Monday through Friday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
84156
84166
0077U
Specimen Minimum Volume
30 mL
Reference Values
PROTEIN, TOTAL:
<229 mg/24 h
Reference values have not been established for patients younger than 18 years.
ELECTROPHORESIS, PROTEIN:
The following fractions, if present, will be reported as mg/24 h:
Albumin
Alpha-1 globulin
Alpha-2 globulin
Betaglobulin
Gamma globulin
MASSFIX M-PROTEIN ISOTYPE:
M-protein Isotype MS:
No monoclonal protein detected
Flag M-protein Isotype MS:
Negative
Method Name
PTU: Turbidimetry
PEU: Agarose Gel Electrophoresis
MPTU: Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF MS)
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| MPTU | M-protein Mass-Fix, 24 HR, U | No | Yes |
| PEU | Protein Electrophoresis, 24 Hr, U | No | Yes |
| PTU3 | Protein, Total, 24 HR, U | Yes, (Order PTU) | Yes |