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Test Code CL BF Body Fluid Chloride

Clinical System Name

Body Fluid Chloride


Body Fluid Electrolytes
Chloride, Body Fluid
Cl - CSF (Chloride - CSF)
CL Body Fluid
Electrolytes, Body Fluid

Sample Requirements

Specimen: Body Fluid

Container(s): Red or Sterile Screw-Capped Container

Preferred Vol: 2.0 mL

Minimum Vol: 0.5 mL


Note: Gastric samples are NOT available stat. For Gastric samples order a MISC and deliver sample to Sendouts refrigerator rack.

Processing Instructions

Reject due to: Lavender/EDTA

Spin: Y


Temp: 2 - 4 C

Storage location: Method is affected by prolonged exposure to RBC's. For Gastric Contents samples, order a MISC and deliver to Sendouts Refrigerator Box. Inform physician that testing will NOT be available stat but will have a 3-5 day turnaround time.

Spin sample. Transfer 2 mL supernatant to plastic aliquot container affixed with large computer label. Note type of body fluid on label. Notify send-outs team M - F dayshift and deliver specimen to CPA refrigerator send-outs rack. Store extra label in plastic box on the CPA fridge. When send-outs team is unavailable (evenings/nights/weekends, etc) send sample to UW Laboratory via delivery express.


Off-site collection: Spin, aliquot & refrigerate specimen.


Specimen Type Temperature Time
  Room temp  



STAT Performed TAT
Y Daily Same day; For Gastric samples 3-5 d


Performing Laboratory

University of Washington

Dept of Laboratory Medicine



University of Washington

Dept of Laboratory Medicine

1959 NE Pacific St, NW220
Seattle, WA 98195

Phone Number: (206) 598-6066



Reference Range



CSF 120 - 130




Method: None None specified

Analytical Volume: None specified


CPT Codes


Send Out Instructions


Reference Test Name: Chloride, Fluid
Reference Test Number: FCLG
Instructions: Send out M thru F with  Delivery Express. Keep a copy of the Batch Sheet for our records.