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Beta-2-Microglobulin, serum

Item Value
Approval req'd? No
Available Stat? No
Test code B2MI
Test group Beta-2-Microglobulin
Performed by Immunology
In House Availability Friday day shift only
Method Turbidimetry
Patient Preparation An 8 hour fast before specimen collection is preferred.
Collection Instructions Avoid hemolysis.
Container type Gold top or Red top
Amount to Collect 1 mL blood
Sample type Serum
Preferred volume 0.5 mL serum
Min. Volume 0.3 mL serum
UCSF Rejection Criteria Hemolyzed or lipemic samples
Processing notes Freeze sample at -20C.
Units mg/L
Normal range < 2.35 mg/L
Synonyms Beta-microglobulin; Microglobulin, beta-2
Turn around times 2-8 days
Additional information Patients with lymphomas, multiple myeloma, and other medical conditions may have an increased serum concentration of Beta-2-Microglobulin due to increased production.
CPT coding 82232
LOINC code 1952-1
Last Updated 3/25/2013 12:52:29 PM
Entry Number 112
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