SPECIFIC GRAVITY, RANDOM URINE

Test Code
LAB1570


Quest Code
3190


CPT Codes
81003

Preferred Specimen
10 mL urine - Urinalysis transport tube (yellow-top, blue fill line, preservative tube)


Minimum Volume
Preserved: 3 mL
Unpreserved: 1 mL


Other Acceptable Specimens
Yellow/red swirl-topped conical transport tube with preservative • 3 mL unpreserved urine cup


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


Transport Container
Yellow-top, blue fill-line urinalysis transport tube


Transport Temperature
Preserved: Room temperature
Pediatric: Refrigerated (cold packs)


Specimen Stability
Preserved urine
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: Unacceptable

Unpreserved urine
Refrigerated: 24 hours


Methodology
Reagent Impregnated Strips

Setup Schedule
Mon-fri


Report Available
1-4 days


Reference Range
1.001-1.035


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


Performing Laboratory
Quest Diagnostics-Lenexa
10101 Renner Blvd
Lenexa , KS 66219-9752



Last Updated: August 13, 2021


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.