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HelpTest Code B2MC Beta-2-Microglobulin (Beta-2-M), Spinal Fluid
Specimen Required
Container/Tube: Sterile vial
Specimen Volume: 1 mL
Collection Instructions: Send spinal fluid from collection vial 1.
Useful For
Evaluation of central nervous system inflammation and B-cell proliferative diseases
Method Name
Nephelometry
Reporting Name
Beta-2-Microglobulin, CSFSpecimen Type
CSFSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| CSF | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days | ||
| Ambient | 14 days |
Reject Due To
| Gross hemolysis | OK |
Reference Values
0.70-1.80 mcg/mL
Day(s) Performed
Monday through Friday
Report Available
1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
82232
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| B2MC | Beta-2-Microglobulin, CSF | 1951-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| B2MC | Beta-2-Microglobulin, CSF | 1951-3 |