Osmolality, Stool

Container Type

Test ID		LAB201
EPIC ORDER		OSMOLALITY, STOOL
CPT Code(s)		83930
Group/Individual Test		Individual
Laboratory		Core Laboratory
Tube Station		Routine 30; STAT 888
Specimen	Routine:	1 mL stool; No Preservatives; See comments for acceptable specimen
Availability	Routine:	24 hours/day
	STAT:	Yes
Turnaround Time		STAT 1 hr; Routine 2 hrs
Reference Range		Undefined
Comments	Other clinical data should be taken into consideration when interpreting these results. Stool must be liquid for analysis; solid or semi solid specimens are not suitable for analysis and will be rejected. The reference range for this body fluid has not been established. The test result must be integrated into the clinical context for interpretation. This test was developed, and its performance characteristics determined by the Core Laboratories of the McLendon Clinical Laboratories, UNC Health. This test has not been cleared or approved by the FDA. The laboratory is regulated under CAP and CLIA as qualified to perform high-complexity testing. This test is to be used for clinical purposes and should not be regarded as investigational or for research.

Reviewed by J. Carr on December 31, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514