MyHealth

Manage your account, request prescriptions, set up appointments & more.

LOG IN
Don't have an account
Contact Us

OSMOLALITY, FECAL

Mnemonic

FE OSMOL

Specimen Collection Requirements

Collect

Liquid Stool in a clean unpreserved container

Handling

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

Frozen. Separate specimens must be submitted when multiple tests are ordered. 

Preferred Volume

5.0 mL

Minimum Volume

0.5 mL

Transport

Frozen

Rejection Criteria

Formed stool

Stability

Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month

Testing Information

Performed

7 days/week

Reported

Within 24 hours

Method

Freezing Point Depression

Referral Lab

ARUP (98122)

Reference Values

Reference Values

0 - 16 years:    271-296 mOsm/kg
17 years and older:    280-303 mOsm/kg

CPT Codes

84999

Last Updated: Wednesday, October 4, 2017 01:45:43 PM


Client Services: 503-413-1234