Test Directory

Test Code
24K
Test Name
Potassium, 24Ur
CPT Codes
84133
Expected Turnaround Time
1 day
Clinical Utility

Can be used to evaluate electrolyte and acid base balance and hypokalemia.

Specimen and Container Info

Specimen Type: 24-Hour Urine

Collection Containers: 24-Hour Plastic Urine Container

  

Minimum Acceptable Volume: 0.5 mL

Note: This volume does not allow for repeat testing.

Collection Instructions

Urine should be collected in a 24-Hour plastic urine container with no preservative.

See Special Instructions:

HNL Lab Medicine 24-Hour Urine Collection

Processing and Submission Instructions

Urine should be well mixed before aliquoting.

Acceptable Aliquot Containers:

    • Clear top (no additive/no preservative)
    • Plastic aliquot (no additive/no preservative)
Transport Instructions

Transport to the laboratory refrigerated.

Stability Requirements

Room Temperature

7 days

Refrigerated

7 days
Methodology
Ion Selective Electrode
Reference Intervals
Performing Location
Roble Road Core Laboratory
Testing Schedule
Routine, daily