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Osmolality, 24 Hour, Urine

Methodology

Useful for assessing the concentrating ability of the kidney.

Performing Laboratory

St. Mary's Regional Medical Center-Chemistry

Specimen Requirements

Submit an entire 24-hour urine collection in a plastic urine container. No preservative.
Note: 1. Starting and ending times of collection are required.

2. Follow instructions in Urine Collection in Special Instructions.

Reference Values

300-900 mOsm/kg

Day(s) Test Set Up

Monday through Sunday

Special Instructions