Specific Gravity

Specimen Requirements:

Collect 2 mL urine in a preservative-free plastic container.
Transport/Storage Temperature:

  • Refrigerated

Use:

Included in the Specimen Validity Panel, specific gravity is tested to assist in identifying samples that have been adulterated.

Methodology:

Refractometer

Reported:

1 - 3 days

Reference Values:

1.003 - 1.035

Performed:

Varies