ARUP's Laboratory Test Directory

0050005: Alpha-2-Macroglobulin

Test Mnemonic: A2M
Methodology: Nephelometry

Performed: Wed, Sat

Reported: 1-5 days

Specimen Required:  
Collect: One 4 mL SST.

Transport: 1 mL serum at 2-8°C. (Min: 0.3 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.3 mL serum at 2-8°C.

Remarks: Separate serum from cells ASAP.  Testing can also be performed on CSF and pleural fluid (centrifuge and separate to remove cellular material).

Unacceptable Conditions: Hemolyzed specimens.

Stability: After separation from cells: Ambient: 8 hours; Refrigerated: 8 days; Frozen: 1 year (if frozen within 24 hours)

Reference Interval:
131-293 mg/dL

CPT Code(s):
83883

 

 

 
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