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Osmolality, Fecal

Specimen Container

Cup without Preservatives and Additives

Specimen Collection Type

Liquis stool

Minimum Volume To Collect (Ml)

5g

Pediatric Volume To Collect (Ml)

5g

Stability

Ambient Stability: Unable
Refrig Stability: 7 days
Frozen Stability: 1 Month

Unacceptable Conditions

Formed stool. Specimens in media or preservatives.

Preferred Transportation Temperature

REFRIGERATED

Performed

Sun-Sat

Reported

1-2 days

Methodology

Quantitative Freezing Point

Lab Department

Molecular

Testing Location

IHC

Synonyms

Osmotic gap
Fecal Osmolality
stool osmotic gap
osmolality, feces
Osmolal gap
0098122

Test OR Panel

Test

Misc Instructions

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)

Unit of Measurement

mOsmol/kg

CPT Codes

84999

LOINC

2693-0

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