Test Overview
Test Methodology

Potentiometric (ISE)

Test Usage

Evaluate electrolyte composition of urine, electrolyte balance studies

Reference Range *

170 - 250 mEq/24 hours (170-250 mMol/24 hours). Random urine collections are reported in units of mmol/L, for which reference values are not established.

Test Details
Days Set Up
Daily
Analytic Time

8 hours

Soft Order Code
CLU/CLQ
Synonyms
  • CHLORIDE URINE 24 HOUR
  • CHLORQ
  • Cl, Urine
  • Urine CL
  • CHLORQ
  • Cl, Urine
  • Urine CL
  • CHLORIDE URINE 24 HR
  • CHLORIDE URINE RANDOM
  • CHLORU
Laboratory
Chemical Pathology
Section
Automation
Specimen Requirements
Collection Instructions

Collect 24 hour urine specimen with no preservative. Aliquot 5 mL into a plastic urine container and refrigerate. Record total 24 hour urine volume and collection dates/times on request form. Random urine also acceptable.

Normal Volume
5 mL aliquot of 24 hour urine collection or 2 mL aliquot of random urine collection.
Minimum Volume
2 mL aliquot of 24 hour urine collection or 1 mL aliquot of random urine collection.
Rejection Criteria
Specimens collected with Acid Preservative are not acceptable. Diapers, sections of diapers, swabs or any other absorbent material will not be accepted as a collection container for urine.
Billing
CPT Code
82436
Fee Code
20303
LOINC
CHLORU 2078-4, CHLORQ 2079-2
NY State Approved
No