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Test Code CL U Chloride, Urine

Clinical System Name

Urine Chloride


Cl - Random Urine
Urine Chloride

Sample Requirements

Specimen: Urine - random

Container(s): Sterile Screw-Capped Container

Preferred Vol: 10.0 mL

Minimum Vol: 0.5 mL


Note: Timed collection recommended; no reference ranges for random urine samples. Refrigerate during collection.

Processing Instructions

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

Spin: N


Temp: 2 - 4 C

Storage location: All specimens (including routines) must be sent via delivery express to UW on weekends. Transfer 10 mL urine to a leak-proof plastic aliquot container affixed with large computer label. On day shift, store specimen in CPA refrigerator send-outs rack.


Off-site collection: Send refrigerated via Delivery Express to Seattle Children's Main Lab.


Off-site collection: Refrigerate urine during collection


Specimen Type Temperature Time
  Room temp  
  Refrigerated 36 h



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 M - F with the UW courier.  ALL routines received on a weekend should be sent via delivery express to UW Lab immediately.