Specimen Preparation:Do not add saline or water to liquefy sample. Transfer 5 mL liquid stool to an unpreserved stool transport vial (ARUP Supply #40910). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. (Min: 0.5 mL)
Storage/Transport Temperature:CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Remarks:
Unacceptable Conditions: Formed stool. Specimens in media or preservatives.
Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month
Reference Interval:
0-16 years: 271-296 mOsm/kg 17 years and older: 280-303 mOsm/kg