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Carcinoembryonic Antigen, CSF - Saskatoon

Discipline

Biochemistry

Overview

Description

  • CSF testing must be cleared by the Biochemist on call

Specimen Information

Specimen types accepted

  • CSF

Specimen collection container

  • Preferred collection container: CSF - Sterile screw top tubes supplied in Spinal Tap Kit

 

Required volume

  • Optimal volume: 1.0 mL CSF

  • Minimum volume:  0.5 mL CSF

(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
 

Transport and stability

  • 7 days at 2-8°C

Rejection criteria

Performance

Methodology

  • Electrochemiluminescence immunoassay

Days/times performed

Availability
  • 24 hours a day
Testing Site
  • RUH

Maximum laboratory time

  • In hospital reported within 2 hours

  • Community urgent and intra hospital reported within 4 hours
  • Community routine reported within 24 hours

Specimen retention time

  • 3 days

Other information

  • Clearance required - For CSF sample contact RUH switchboard to have Biochemist on call paged

Last Updated: October 8, 2024