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Epic Code LAB1231107 Beta 2 Microglobulin, Serum

Test Name Alias

Beta-2-Microglobulin, Serum | 31360 | B2MG

Interface Order Alias

1231107

Clinical Information

This assay is used to evaluate renal disease and to assess prognosis and monitor lymphoproliferative disorders, such as multiple myeloma and chronic lymphocytic leukemia.

Collection Instructions

Corewell Health Reference Laboratory East Catalog

Container(s): Gold top (Serum Separator SST) 

Preferred Volume to Collect: 5 mL

Minimum Volume to Collect: 2 mL

Submission Container/Tube:  Plastic vial

Collection Instructions:

  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 2 hours – See Processing Instructions below.

 

Processing Instructions

Processed Specimen: Serum

Centrifuge/Spin: Yes

Aliquot: Yes

  • Allow blood to clot for 30 minutes in a vertical position and centrifuge promptly.
  • Within two hours aliquot serum into a plastic transport tube and refrigerate as soon as possible.
  • Minimum serum: 0.5 mL
  • (+(2)S/PO/R)

Specimen Transport Temperature

Refrigerated

Rejection Criteria

  • Plasma specimens.
  • Severely lipemic, icteric, or hemolyzed specimens. 

Specimen Stability

Centrifuged SST Tubes and Microtainers® with Separator Gels
Room Temperature (20-26°C or 68-78.8°F): 2 hours
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): Unacceptable

Red-top Tubes and Microtainers® without Separator Gels
Room Temperature (20-26°C or 68-78.8°F): 2 hours
Refrigerated (2-8°C or 36-46°F): Unacceptable
Frozen (-20°C/-4°F or below): Unacceptable

Serum Specimens (Pour-Overs)
Room Temperature (20-26°C or 68-78.8°F): 2 hours
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): 14 days

Test Frequency

Monday – Friday.
Results available in 2 business days.

Reference Range

Less than 2.5 mg/L.

Performing Department

CHW: REFERRAL SEND OUTS

CHE: Toxicology

Performing Department Laboratory Location

Corewell Health Reference Laboratory East

Methodology

Immunoturbidimetric.

CPT

82232

CDM Code

3018223201

Epic Test ID

123010637

LOINC

1952-1

Reviewed Date

6/9/2023