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St. John Health System
Lab Catalog


Index:

Chloride Urine Timed

Order Name CHLOR TM U
Test Number: 3003175
Revision Date 05/03/2021
Test Name Methodology LOINC Code
Total Urine Volume
3167-4 
Chloride 24 Hour Urine mm/L
Ion-Selective Electrode  
Chloride Urine Timed Estimated
 
Chloride 24 Hour Urine mm/24hr
2079-2 
Creatinine, Urine, mg/dL
Kinetic Alkaline Picrate (Jaffe) 20624-3 
Creatinine Urine Timed Estimated
 
Creatinine, Urine, 24 Hour
2162-6 
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. Specimen stability: Ambient 2 days, Refrigerated 7 days, Frozen 7 days
GENERAL INFORMATION
Testing Schedule Mon - Fri 
Expected TAT 1-2 days  
Clinical Use Used to evaluate acid-base balance and particularly to distinguish whether or not a case of metabolic alkalosis is chloride-responsive. 
CPT Code(s) 82436 (81050 if urine measured by RML)
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Chemistry