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Osmolality, Serum or Plasma
Test Code2154
Preferred Specimen
One 4 mL serum separator tube or plasma separator tube.
Minimum Volume
0.5 mL serum or plasma at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.
Transport Temperature
0.5 mL serum or plasma at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.
Specimen Stability
After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 6 months
Methodology
Freezing Point
Setup Schedule
Sun-Sat
Report Available
Within 24 hours
Limitations
Separate serum or plasma from cells ASAP.
