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urine
Urine Specific Gravity
USG· also: SG, Specific Gravity
Clinical Overview
Specific gravity measures urine concentration. Low values suggest dilute urine (diabetes insipidus, excessive fluid intake, kidney disease). High values indicate concentrated urine (dehydration, SIADH, proteinuria).
Reference RangesWHO/IFCC standards
| Reference Range | Unit | Notes |
|---|---|---|
| 1.005 – 1.03 | g/mL | Random specimen; depends on hydration |
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Related Topics
hydrationkidneydiabetes insipidusurinalysis