Laboratory Services

Osmolality, Urine

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Updated Test Information:

Test Description
Osmolality, Urine
Synonym(s)

UOW506

Test ID
UOSMO
Specimen Type

Urine

Specimen Requirements

1mL RANDOM URINE 
Also acceptable: 24 hour urine, Refrigerate during collection/No preservative

Specimen Collection / Processing Instructions

Refrigerate immediately after collection

Minimum Sample Volume

0.5 mL

Stability

Refrigerated: 24 hours. Freeze for longer storage.

Department (code)

Chemistry 

Methodology

Freezing Point Depression

Testing Schedule

Daily

CPT Code(s)

83935

Reference Range

mOsm/kg


Male/Female


100-850


Effective date: 03/27/2018

STAT Orderable (Y/N)

Yes

Performing Lab

UW

LOINC Code(s)