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HelpTest Code LYTU ELECTROLYTES, URINE
Methodology
Potentiometric, Direct
Includes potassium and sodium.
Useful for evaluating the cause of hyper- or hypokalemia; and acid-base balance, water balance, water intoxication, and dehydration.
Specimen Requirements
Container/Tube: Plastic urine container
Specimen Volume: 5 mL from a random urine
collection
Collection Instructions: No preservative.
Day(s) Test Set Up
Monday through Sunday
Reference Values
POTASSIUM
No established reference values
SODIUM
30-90 mmol/L
Performing Laboratory
Logan Health Medical Center-Chemistry
Test Classification and CPT Coding
84133-Potassium
84300-Sodium
Specimen Transport Temperature
Refrigerate