CHLORIDE, 24-HOUR URINE
Ion-Selective Electrode (ISE)
	Test Performed At:
		St. Louis Children’s Hospital
	Specimen Required:
		Submit a 24-hour urine collection in a urine container supplied by St. Louis Children’s Hospital. No preservative. Refrigerate specimen during collection, and send specimen refrigerated. Although a 24-hour specimen is preferred, other timed and random specimens will be tested and should be ordered as such. Please note collection start, stop dates and times.
		NOTE:	Follow instructions “Urine Collection.”
	Laboratory Notes:
		Mix a 24-hour urine specimen well and aliquot 30 mL into a 60 mL screw-cap plastic container and 1.0 mL into a conical tube. Be sure to record 24-hour total volume; start & stop time of collection on aliquot containers. If bloody or turbid specimen, spin and separate.
		NOTE:	If specimen is not 24 hour collection, reorder as Tmd (or Rnd) Ur Chloride SLC
	Reference Values:
		70-250 mmol/24 hours
	Day(s) Test Set Up:
		Monday - Sunday
	Cut-Off Time:
	Turn Around Time:
		Same day
	CPT Code:
		82436
	Care Manager Order Name:
		Chloride, 24 Hour Urine Battery ONCE RTN
	Cerner Order Name:
		24H Ur Chloride SLC

Last Updated 09/07