Test Details
Mnemonic
B2M
Ordering Code
1011100
CPT-4 Code(s)
82232
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum refrigerated in a screw capped plastic vial.
Alternate Specimen
Serum: Red top
Plasma: Lavender EDTA, green sodium or lithium heparin
Plasma: Lavender EDTA, green sodium or lithium heparin
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Stability
Room temperature: Unacceptable
Refrigerated: 8 days
Frozen: 60 days
Refrigerated: 8 days
Frozen: 60 days
Methodology
Nephelometry
Reference Range
1.0 - 2.6 mg/L
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes