Potassium, 24-Hour Urine with Creatinine
Also known as K, 24-Hour Urine
What it measures
- Potassium, 24 Hour UrineLOINC 2829-0
- Potassium/Creat RatioLOINC 56143-1
- Creatinine, 24 Hour UrineLOINC 2162-6
Specimen
- Specimen
- 10 mL aliquot of a 24-hour urine collected in a no preservative plastic urine container
- Minimum volume
- 2 mL
- Also accepted
- Urine preserved with boric acid • Urine preserved with acetic acid • Urine preserved with HCl • Urinalysis transport tube (yellow-top, blue fill line, preservative tube)
- Container
- Plastic urine container
- Temperature
- Room temperature
Record total volume and collection duration on transport container and test requisition
Billing
CPT 82570, 84133