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HelpTest Code SQ B2MGM, EPIC LAB49 Beta-2-Microglobulin (Beta-2-M), 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
See Laboratory Screening Tests for Suspected Multiple Myeloma in Special Instructions.
Performing Laboratory
Mayo Medical Laboratories in Rochester
Specimen Type
SerumSpecimen Required
Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Specimen Volume: 1 mL
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days |
| Ambient | 14 days | |
| Frozen | 14 days |
Special Instructions
Reference Values
1.21-2.70 mcg/mL
Day(s) and Time(s) Performed
Monday through Saturday; 3 p.m.
Test Classification
This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.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 |
Reject Due To
|
Hemolysis |
Mild OK; Gross OK |
|
Lipemia |
Mild OK; Gross reject |
|
Icterus |
Mild OK; Gross OK |
|
Other |
NA |
Method Name
Nephelometry
Forms
If not ordering electronically, complete, print, and send a General Request Form (T239) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/general-request-form.pdf).