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Test Code B2MC Beta-2-Microglobulin (Beta-2-M), Spinal Fluid

Reporting Name

Beta-2-Microglobulin, CSF

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Evaluation of central nervous system inflammation and B-cell proliferative diseases

Method Name

Nephelometry


Specimen Required


Container/Tube: Sterile vial

Specimen Volume: 1 mL

Collection Instructions: Send spinal fluid from collection vial 1.


Specimen Type

CSF

Specimen 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

Interpretation

Elevations of cerebrospinal fluid beta-2-microgobulin levels may be seen in a number of diseases including malignancies, autoimmune disease, and neurological disorders.

Day(s) Performed

Monday through Friday

Report Available

1 to 3 days

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