Specific Gravity (Urine)

UrinalysisUrine

Measures urine concentration compared to water.

Why it matters: Indicates hydration status and kidney concentrating ability.

Reference Range
1.003 – 1.03-
1.003
1.03LowNormalHigh
What Moves It

May increase with:

Dehydration
Diabetes mellitus
Heart failure

May decrease with:

Overhydration
Diabetes insipidus
Kidney disease
Associated Conditions
DehydrationDiabetes insipidusSIADH
Related Markers
osmolalityCreatinine
Common questions

What is Specific Gravity (Urine)?

Measures urine concentration compared to water.

What might a high or low Specific Gravity (Urine) mean?

Indicates hydration status and kidney concentrating ability.

What is the typical reference range for Specific Gravity (Urine)?

The general-population reference range shown here is 1.003 – 1.03 -. Reference ranges describe the general population and are not a personal target — discuss your results with your physician.

What can affect Specific Gravity (Urine)?

It may be higher with: Dehydration, Diabetes mellitus, Heart failure. It may be lower with: Overhydration, Diabetes insipidus, Kidney disease.

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