Test Code B2M Beta-2-Microglobulin, Serum
Additional Codes
Mayo Test ID |
---|
B2M |
Reporting Name
Beta-2-Microglobulin, SUseful For
Prognosis assessment of multiple myeloma
Evaluation of renal tubular disorders
Testing Algorithm
For more information, see Multiple Myeloma: Laboratory Screening
Method Name
Nephelometry
Performing Laboratory

Specimen Type
SerumSpecimen Required
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum | Refrigerated (preferred) | 28 days |
Frozen | 28 days | |
Ambient | 14 days |
Reject Due To
Gross hemolysis | OK |
Gross lipemia | OK |
Gross icterus | OK |
Special Instructions
Reference Values
1.21-2.70 mcg/mL
Day(s) Performed
Monday through Friday
CPT Code Information
82232
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
B2M | Beta-2-Microglobulin, S | 1952-1 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
B2M | Beta-2-Microglobulin, S | 1952-1 |