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Alpha-2 Macroglobulin
Test CodeLAB1765
CPT Codes
83883
Preferred Specimen
Red no-additive no-gel
Minimum Volume
0.5 mL
Instructions
Avoid hemolysis. Overnight fasting is preferred. Collect 1 mL serum from a red-top tube (no additive) (preferred). Place serum in a sterile, plastic screw-capped vial. Serum separator tubes are acceptable. Ship refrigerated (cold packs).
Transport Temperature
Room Temperature
Specimen Stability
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 3 months
Refrigerated: 7 days
Frozen: 3 months
Methodology
Fixed Rate Time Nephelometry