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Jan 8, 2018

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Beta 2-microglobulin

Beta 2-microglobulin (XB2MS) Chemistry Lab Test

Name: Beta 2-microglobulin

Test Name: Beta 2-microglobulin

Health Link Test Code: XB2MS

LIS Test Code: B2M

CPT Code(s): 82232

Methodology: Turbidometric

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: Green cap with yellow ring (PST)

Also Acceptable: Green top, Red cap with yellow ring (SST), Red top

Collection Volume: 4 mL

Pediatric Collection Volume: 1 mL

Stability Ambient:

1 day

Stability Refridgerated:

3 days

Stability Frozen:

6 months

Sample Analyzed: Plasma or serum

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.3 mL

Specimen Processing:

Centrifuge. If a complete barrier has not formed, transfer cell-free plasma/serum to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.

Interpretation:

0 days and up: 1.0-2.6 mg/L

Interpretation Type: Reference Interval