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Test Code Billings Clinic: 4176 Chloride, Timed, Urine

Performing Laboratory

Billings Clinic Laboratory: Chemistry

Useful For

As an indicator of fluid balance and acid-base homeostasis

Methodology

A-LYTE® Integrated Multisensor Technology (IMT)

Specimen Requirements

  • 10 mL from a timed urine collection in a urine container.
  • Refrigerate specimen during collection, and send specimen refrigerated.
  • Starting and ending times of collection and total volume are required on request form for processing.
  • Do not use additives

Storage/Stability

Specimen Type Temperature Time
Urine Refrigerated (preferred) 7 days
  Frozen 30 days

Reference Values

Not established

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

82436 - Chloride; urine

LOINC Code Information

Reporting Name

LOINC Code
Chloride, Ur, Timed 35676-6

 

Interferences

  • Ibuprofen at 500 mg/dL increases chloride results in urine at 47.2 mmol/L (47.2 mEq/L) by 18%.
  • Ofloxacin at 90 mg/dL decreases chloride results in urine at 55.8 mmol/L (55.8 mEq/L) by -11%.