Laboratory Test Information Guide

Details for Beta2 Microglobulin, Urine

Test Name: Beta2 Microglobulin, Urine
Alternate Name(s): B2 Microglobulin
Laboratory: Clinical Immunology
Specimen Type: Random urine
Collection Information: Recommended: Patient voids and discards urine, drinks a minimum of 0.5 L of water, and then collects a urine sample within one hour.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: Monday - Friday
0800-1600
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
10 days
Stat
 
 
Reference Range: B2MU: 35-202 g/L
B2MU/creatinine ratio: 0-23 g/mmol
Effective Date: 2010-02-03
Revised Date: 2020-05-25
Critical Value:  
Interpretive Comments: B2MU is increased in proximal tube dysfunction and some forms of cancer.

Testing includes urine creatinine.
Special Processing: Prepare an aliquot of the urine and freeze immediately.
Comments: Beta2 microglobulin is unstable in acidic urine.
Method of Analysis: Turbidimetry
Critical Information Required:  
Storage & Shipment: Store and ship urine aliquot frozen.
System Codes: 
Cerner
B2MU
 
Referred To:  

Questions? Comments? Contact Laura Gopaul