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Test Code 6169 Beta-2-Microglobulin

Performing Laboratory

Barnes-Jewish Hospital Laboratory



Literature Reference:

Package insert: Tina-quant Beta 2 Microglobulin B2MG. Roche Corporation. 07/2013.

Specimen Requirements

Specimen Type: Plasma

Container/Tube: mint green top

Specimen Volume: Full tube


Day(s) Test Set Up

Monday - Sunday

Turnaround Time:
STAT: not available
Routine: Results available 2-4 hours. 

Reference Values

1.0-2.5 mg/L

Literature Reference:

Package insert: N Latex β2-Microglobulin (N B2M). Siemens Diagnostics, 4/2008.

Test Classification and CPT Coding


Additional Information

For BJH Laboratory Use Only
Alternate T

1 plain red top, full

Analyte Stability:

≤ 24 hours: refrigerated at 4° C to 8° C.
>24 hours: frozen at -20° C.

Laboratory Processing Instructions:

Test performed in BJH Core lab.  Processed by automated line and aliquot stored refrigerated for batch analysis.  Completed specimens are stored refrigerated for 5 days.


Specimen Transport Temperature


LOINC Code Information

Name LOINC Code
Beta-2-Microglobulin, Serum 1952-1