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Labcorp Oklahoma, Inc.
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Sodium Urine Random

Order Name SODIUM R U
Test Number: 3001550
Revision Date 06/04/2021
Test Name Methodology LOINC Code
Sodium Urine Random
Ion-Selective Electrode 2955-3 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Urine, Random Sterile Urine container Refrigerated
Instructions Random urine collection. No preservative. Keep refrigerated.
Specimen stability: Ambient 1 day, Refrigerated 45 days, Frozen 1 year
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 days  
Clinical Use Useful in monitoring metabolic processes, pituitary function, adrenal function, hydration, proper body pH and regulation of appropriate heart and muscle functions. 
CPT Code(s) 84300
Lab Section Chemistry