May be used as a marker of membrane permeability in urine or as an indirect marker for liver fibrosis.
Serum Separator Tube (SST).
Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.4 mL)
CSF. Hemolyzed specimens.
After separation from cells: Ambient: 8 hours; Refrigerated: 8 days; Frozen: 1 year (if frozen within 24 hours, avoid repeated freeze/thaw cycles)
No compliance statements are in use for this test.
|Component Test Code*||Component Chart Name||LOINC|
- AMG, macroglobulin
- Macroglobulin, Alpha-2