Evaluate central nervous system involvement of certain inflammatory or B-cell proliferative diseases.
Within 24 hours
CSF. Also acceptable: CSF collected in plain red or green (sodium or lithium heparin).
Centrifuge to remove cellular material. Transfer 0.5 mL CSF to an ARUP Standard Transport Tube. (Min: 0.4 mL)
After separation from cellular material: Ambient: 72 hours; Refrigerated: 1 week; Frozen: 2 weeks
Compliance Statement B: For laboratory developed tests not using a RUO kit, and for FDA approved, cleared or 510(k) exempt assays with alterations. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
|Component Test Code*||Component Chart Name||LOINC|
- B2 microglobulin CSF
- B2M CSF
- Beta 2 Microglobulin, CSF Test
- CSF B2M