Osmolality, Urine

Orderable EAP code:

LAB00092

Billable EAP Codes:

80001767 x 1

CPT Codes:

83935 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 2 Hours
Urgent: 1 Hour

Test Schedule:

24 hours, 7 days a week.

Units:

mOsm/kg H2O

Specimen Requirements:

Random collection, urine cup.

Pediatric Specimen Requirements:

0.5 mL in a 4 mL RED top tube or urine sample cup

Reference Range:

50 to 1200 mOsm/kg H20: Random urine.

300 to 900 mOsm/kg H20: on 24-hour average fluid intake.

850 mOsm/kg H20: after 12-hour fluid restriction.

Comments:

Specimen Stability: Stable 2 days at 2 to 8 degrees C.

Synonyms:

Urine Osmolality, OSMO