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HelpTest Code USPG Specific Gravity Urine,LAB 2137
Performing Laboratory
St. Luke's Hospital Cedar Rapids
Specimen Requirements
Container/Tube:
Preferred: Random urine, uncentrifuged and well mixed.
Specimen Volume: 0.1 mL of urine.
Stability: Specimens should be at room temperature for testing.
Note: Indicate specimen source on specimen container and in computer.
Reference Values
1.005-1.030
Day(s) Test Set Up
Monday through Sunday
Useful For
Urine specific gravity determination gives an indication of the urinary total solute concentration and reflects the kidney's ability to maintain homeostasis of body fluid.
Methodology
Refractometry
Test Classification and CPT Coding
81002
Report Available
1 hour upon receipt.