Test Code Billings Clinic: 4567 Potassium, 24 Hour, Urine

Performing Laboratory

Billings Clinic Laboratory: Chemistry

Useful For

Urine K+ is useful in determining the cause for hyper- or hypokalemia.

Methodology

A-LYTE® Integrated Multisensor Technology (IMT)

Specimen Requirements

10 mL from a 24-hour urine collection in a urine container.
DO NOT ADD PRESERVATIVE.
Refrigerate specimen during collection, and send specimen refrigerated.
24-Hour volume is required on request form for processing.
Follow instructions in “Urine Collection” under Resources

Storage/Stability

Specimen Type	Temperature	Time
Urine	Refrigerated (preferred)	7 days
	Frozen	1 month

Reject Due To

Specimens received ambient
Specimens received in preservative

Reference Values

25 - 125 mEq/24 hours

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

84133 - Potassium, urine

LOINC Code Information

Reporting Name	LOINC Code
Potassium Ur, 24 Hr	2829-0