Quantitative Mass Spectrometry
Plain Red or Serum Separator Tube (SST). Also acceptable: Lavender (EDTA) or Green (Sodium Heparin).
Separate from cells within 1 hour of collection. Transfer 3 mL serum or plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 1 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Ambient: 24 hours; Refrigerated: 24 hours; Frozen: 3 months
Performed by non-ARUP Laboratory
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