ARUP's Laboratory Test Directory

Osmolality, Fecal : 0098122

Mnemonic: FEC OSMO

Methodology: Freezing Point Depression
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Liquid stool.

Storage/Transport Temperature: 5 mL aliquot of liquid stool in a clean unpreserved stool transport vial (ARUP Supply #40910), frozen. (Min: 0.5 mL)

Remarks: CRITICAL FROZEN. Stool must be liquid. Do not add saline or water to liquefy sample.

Unacceptable Conditions: Formed stools.

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
CPT Code(s): 84999
Cross References: Fecal Osmolality
 
 

 

 

 
All ARUP Sites:        www.aruplab.com     ·     www.arupconsult.com     ·     www.arup.utah.edu     ·     www.childx.org     ·     www.utahblood.org