Specific Gravity

Test ID: 

703964

CPT code:

81003

Synonyms:

Specific Gravity, Urine

Clinical Use:

The specific gravity of urine is used to obtain information about the state of the kidney and the state of hydration of the patient.

Specimen Type:

Urine

Requested Volume: 

10 mL

Minimum Volume: 

1 mL

Container Type: 

Urinalysis transport tube (yellow-top, blue fill line, preservative tube)

Collection:

Encourage mid-stream samples to minimize contamination and improve accuracy.
Label the sample appropriately and store at room temperature until pick-up.

Storage Instructions:

Maintain specimen at room temperature. If arrival extends beyond seven days, then refrigerate.

Stability Requirements:

Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: Unacceptable

Expected Turnaround Time:

1 to 2 Days

Rejection Criteria

Unpreserved specimen