#ExistCollect>Collect: One 4 mL serum separator tube or plasma separator tube.
*ExistCollect>
#ExistSPECTRANSPORT>Storage/Transport Temperature: 0.5 mL serum or plasma at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.
*ExistSPECTRANSPORT>
#ExistRemarks>Remarks: Separate serum or plasma from cells ASAP.
*ExistRemarks>
#ExistStability>Stability (collection to initiation of testing): After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 6 months *ExistStability>
*ExistSpecRequirements>
#ExistRefRangeSet>
Reference Interval:
#ExistRefRange>0-16 years: 271-296 mOsm/kg 17 years and older: 280-303 mOsm/kg
*ExistRefRange>