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Labcorp Oklahoma, Inc.
Test Directory


Index:

Potassium Urine Timed

Order Name POTAS TM U
Test Number: 3003125
Revision Date 05/28/2021
Test Name Methodology LOINC Code
Total Urine Volume
3167-4 
Creatinine, Urine, mg/dL
Kinetic Alkaline Picrate (Jaffe) 20624-3 
Creatinine Urine Timed Estimated
 
Creatinine, Urine, 24 Hour
2162-6 
Potassium 24 Hour Urine mm/L
Ion-Selective Electrode 21476-7 
Potasium Urine Timed Estimated
 
Potassium 24 Hour Urine mm/24hr
2829-0 
Hours Collected - Prompt
30211-7 
Volume 24 Urine Prompt
 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Urine, 24-hour 24 hour Urine Container Refrigerated
Instructions Timed urine collection. No preservative. Record number of hours and volume in ml on the specimen container. Keep refrigerated.
Specimen stability: Ambient 24 hours, Refrigerated 2 months, Frozen 1 year
GENERAL INFORMATION
Testing Schedule Mon - Fri 
Expected TAT 1-2 days  
Clinical Use Used to evaluate electrolyte balance and acid-base balance. 
CPT Code(s) 84133 (81050 if urine measured by RML)
Lab Section Chemistry