Test Directory

Test Code
24EL
Test Name
Electrolytes, 24Ur
CPT Codes
82436, 84133, 84300
Included Tests
  • Chloride, 24-Hr Urine
  • Potassium, 24-Hr Urine
  • Sodium, 24-Hr Urine
Expected Turnaround Time
1 day
Clinical Utility

Can be used to evaluate electrolyte, water and acid base balances, renal function and hydration status

Specimen and Container Info

Specimen Type: 24-Hour Urine

Collection Containers: 24-Hour Plastic Urine Container

  

Minimum Acceptable Volume: 0.6 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.

Transport Instructions

Transport to the laboratory refrigerated.

Stability Requirements

Refrigerated

See individual test listings
Methodology
Ion Selective Electrode
Reference Intervals
Performing Location
Roble Road Core Laboratory
Testing Schedule
Routine, daily