Laboratory Services

Chloride, Urine, 24 hr

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Updated Test Information:

Test Description
Chloride, Urine, 24 hr
Synonym(s)

Cl

Test ID
UCL24
General Information

Urinary excretion of chloride varies significantly with dietary intake. Reference ranges given are typical of people on an average diet.

Specimen Type

Urine

Specimen Requirements

Urine, 24 hour collection

Specimen Collection / Processing Instructions

Urine, 24 hour collection - Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Container must be labeled with patient's full name, date and time collection started, and date and time collection finished.Store refrigerated during collection.

Minimum Sample Volume

5 mL

Pediatric Min. Volume (if applicable)

1 mL

Additional Processing Details

The test request form must state date and time collection started, date and time collection finished, and 24-hour urine volume.

Stability

7 days at 15-25°C
7 days at 2-8 °C
Stable at -20°C

Methodology

Ion Selective Electrode

Estimated TAT

0-2 days

Testing Schedule

Monday-Saturday

CPT Code(s)

82436

Reference Range

110-250 mmol/24 hr

Performing Lab

Incyte Diagnostics

LOINC Code(s)

2079-2