Osmolality Urine

SIM

11970 

CPT

83935 

Synonyms

Urine Osmo 

Specimen Type

Random Voided Urine 

Container

Urine collection container

Collection Instructions

Freshly collected random voided urine is optimal.  No preservative required.

Volume

Max: 5 ml preferred 
Min:  1 ml 

Additional Information

none

Patient Preparation

none

Specimen Processing Instructions

Refrigerate

Transport Requirements

Refrigerated

Specimen Stability

Refrigerated: 24 hours 

Rejection Criteria

Insufficient volume

Reference Range

500-800 mOsm/kg (ranges dependent on fluid intake and the ability to concentrate urine)

Critical Value

none 

Test Includes

Urine Osmolality 

Methodology

Freezing-point measurement 

Testing Frequency

Daily, Monday - Sunday 

Reviewed By

Crystal M. Killian 

Reviewed Date

3/18/2021

Supplemental