Beta 2 microglobulin
- Description
- β2-Microglobulin is an 11 KDa protein found on the surface of all nucleated human cells as the light chain component of the dimeric HLA Class I moiety. Increased β2M is seen in multiple myeloma and lymphoma. Increased CSF β2M suggests CNS involvement in the fore mentioned conditions. Increased urinary β2M indicates renal tubular dysfunction.
- Reference range
- <2.4
- Units
- mg/L
- Synonyms
- Beta-2-microglobulin
- Testing site
- Synnovis : Reference Services : Blackfriars Hub
- Laboratory
- Diagnostic Immunology
- Sample type and volume required
- Clotted (Gold top vacutainer), EDTA plasma also accepted.
- Special sample instructions
All tests are compromised by prolonged transit times. For this reason, date of bleed and date of postage must be provided with each request.
- Storage and transport
- Samples may be stored at 4°C prior to analysis
- Turnaround time
- 6 working days
- Time limit for extra tests
- 10 days