Test Details
Mnemonic
A2M
Ordering Code
3500328
CPT-4 Code(s)
83883
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum in a screw capped plastic vial.
Minimum Volume
0.4 mL
Transport Temperature
Refrigerated
Rejection Criteria
Hemolyzed specimens, CSF
Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 3 months (if frozen within 24 hours)
Refrigerated: 7 days
Frozen: 3 months (if frozen within 24 hours)
Methodology
Quantitative Nephelometry
Reference Range
131 - 293 mg/dL
Performing Laboratory
ARUP
New York DOH Approval Status
Yes