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Test Code B2M Beta-2-Microglobulin (Beta-2-M), Serum

Additional Codes

MLAB: Y2M

Powerchart: Beta 2 Microglobulin

Epic: LAB49 Beta 2 Microglobulin, Serum

MA Cerner: Beta 2 Microglobulin.

Reporting Name

Beta-2-Microglobulin, S

Useful For

Prognosis assessment of multiple myeloma

 

Evaluation of renal tubular disorders

Testing Algorithm

See Laboratory Screening Tests for Suspected Multiple Myeloma in Special Instructions.

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 1 mL


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Ambient  14 days
  Frozen  14 days

Reference Values

1.21-2.70 mcg/mL

Day(s) and Time(s) Performed

Monday through Saturday; 3 p.m.

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

82232

LOINC Code Information

Test ID Test Order Name Order LOINC Value
B2M Beta-2-Microglobulin, S 1952-1

 

Result ID Test Result Name Result LOINC Value
B2M Beta-2-Microglobulin, S 1952-1

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross reject

Icterus

Mild OK; Gross OK

Other

NA

Method Name

Nephelometry

Forms

If not ordering electronically, complete, print, and send a General Request Form (T239) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/general-request-form.pdf).