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Test Code CL U QNT Chloride, 24 Hour Urine

Clinical System Name

Urine Chloride Quantitation, 24 Hour

Sample Requirements

Specimen: Urine

Container(s): 24 Hour Urine Jug

Preferred Vol: Entire volume from 24 hour collection

Minimum Vol: N/A


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: N

Temp: 2 - 4 C

Storage location: Place entire jug in the CPA refrigerator


Off-site collection: Refrigerate urine during collection. Send refrigerated via Delivery Express 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

Dept of Laboratory Medicine

1959 NE Pacific St, NW220
Seattle, WA 98195

Phone Number: (206) 520-4600


Department:  Send Outs


Phone Number: (206) 987-2563



Reference Range

No reference ranges available for random urine samples. Normals are diet dependent.


Method: None Ion Selective Electrode

Analytical Volume: None specified

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

CPT Codes



Send Out Instructions

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