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Test Code LAB1974 Urine Chloride Quantitation, 24 Hour

Additional Codes


Clinical System Name

Urine Chloride Quantitation, 24 Hour

Sample Requirements

Specimen: Urine

Container(s): 24 Hour Urine Jug

Preferred Vol: 10.0 mL Urine

Minimum Vol: 0.5 mL Urine


Note: No preservatives are needed to start collection. Go to clinical lab with patient label to obtain urine jug. Refrigerate sample during collection period. Document start and stop dates/times, along with patient information. Deliver labeled jug to Clinical Lab upon completion.

Processing Instructions

Reject due to: Samples that have had HCL acid added, Non-sterile container

Spin: N

Aliquot: Y

Temp: 2 - 4 C

Storage Location: Place entire jug in the CPA refrigerator.


Off-site Collection: Refrigerate urine during collection. Send refrigerated to Seattle Children's Main Lab.



Specimen Type Temperature Time
  Room temp  
  Refrigerated 1 w



STAT Performed TAT
Y Daily 1 - 2 d


Performing Laboratory

University of Washington

Department of Laboratory Medicine


1959 NE Pacific St, NW220
Seattle, WA 98195

Phone Number: (206) 520-4600


Department: Send Outs

Phone Number: (206) 987-2563

CPT Codes



Method: None Ion Selective Electrode (ISE)

Analytical Volume: 0.5 mL Urine

Limitations: Method is affected by sulfides, cyanides, halogens, and sulfhydryl compounds.

Reference Range

Diet dependent if random urine.

Send Out Instructions

Reference Test Name: Chloride, Urine
Reference Lab Test Code: UCL
Instructions: Send out routine requests Monday through Friday with the UW courier.