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.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

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.

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.
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.
Billing
CPT Code
82436
Fee Code
20303
LOINC
CHLORU 2078-4, CHLORQ 2079-2
NY State Approved
No
Resources