ALPHA-2-MACROGLOBULIN

Specimen Required
Draw blood in a SST. Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum (0.4 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Pleural fluid
Serum: Red-top

Rejection Criteria
Hemolyzed specimens, CSF

Methodology
Quantitative Nephelometry

Stability
Room Temperature; 8 hours; Refrigerated: 8 days; Frozen: 1 year (if frozen within 24 hours)

Reference Range
131-293 mg/dL

Performed
Wednesday, Saturday

Turnaround Time3-7 days
Test CodeA2M
CPT-4 Code (s)
83883
LOINC Codes
29944-6

Warde
Medical
Laboratory