Sodium, Random Urine with Creatinine Ratio : 1002710

Test Code
URNA or 1002710

Alias/See Also
Na, Urine; Sodium, Urine

CPT Codes
84300, 82570

Instructions
Random urine without preservatives and keep refrigerated.

Transport Container
Submit the random urine in a screw capped container or a 10 mL aliquot (Min. 0.5 mL) of the well-mixed urine collection in a screw capped container or in a standard transport tube.

Transport Temperature
Refrigerated.

Specimen Stability
Ambient: 24 hours; Refrigerated: 7 days; Frozen: Acceptable for longer storage

Methodology
Ion Selective Electrodes (ISE) Indirect, Enzymatic

Setup Schedule
Sunday - Saturday

Report Available
1 day

Reference Range
Sodium, Random Urine: None established
Sodium/Creatinine Ratio:
Female: 28-280 mmol/g CRT; Male: 20-233 mmol/g CRT

Clinical Significance
Monitor electrolyte imbalance, abnormal hypertension, dehydration.

Performing Laboratory
med fusion



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.