Test Code 24CL Chloride, Urine
Performing Laboratory
MaineGeneral Medical Center
Reference Values
110-250 mmol/24 hours
Day(s) Test Performed
Monday through Sunday
Specimen Requirements
2 mL from a 24-hour urine collection. No preservative. Mix well before taking 2-mL aliquot. (An entire 24-hour urine collection is also acceptable.) Refrigerate specimen during collection, and send specimen refrigerated in plastic urine container.
Note: Random collection is also acceptable.
See “Urine Collection” in “Special Instructions” for 24-hour specimens.
Label specimen with patient’s name (first and last), date of birth, date and time of collection, the collector's initial's and 24-hour urine volume.
Specimen stability: 14 days at 2-8°C (Refrigeration preferred)
30 days at ≥-20°C
7 days at room temperature
Minimum volume: 1 mL
Test Classification and CPT Coding
82436 - chloride
81050 - urine timed measurement (if appropriate)