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Mayo Clinic Laboratories

Test Code U LYT R Electrolytes, Random, Urine

Performing Laboratory

NRL-Chemistry

Methodology

Profile Information: 
Chloride Sodium
Potassium  

Method Name:

Ion-Selective Electrode (ISE)
General Information:

Useful for evaluating electrolyte regulation and renal function.

Specimen Requirements

Specimen Type: Urine, random

Container/Tube: Plastic urine container

Specimen Volume: 5 mL

Collection Instructions: No preservative.

Day(s) Test Set Up

Monday through Sunday

Reference Values

See individual test listings.

Test Classification and CPT Coding

82436-Chloride
84133-Potassium
84300-Sodium