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Pathology and Laboratory Medicine
Test Catalogue

​Bronchial Washings/ Bronchoalveolar Lavage


​ ​Specimen Requirements

  • ​Bronchial Washings (BW) or Bronchoalveolar Lavage (BAL)
  • Sterile, leak-proof specimen container
​Collection Procedure
  • ​Label container with patient’s last name, first name and personal health number (PHN), date of collection and source (BW or BAL)
  • Add a sufficient amount of saline to prevent specimen from drying out. Securely tighten container and place in biohazard bag. Write source (BW or BAL) on requisition. Place completed requisition, with label facing out, in outside pouch.
  • Deliver to Cytology laboratory and place in refrigerator
​Required Volume
  • Optimal Volume: 5mL to 40 mL
  • Minimum Volume: 1 mL
    (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)
  • ​Refrigerate
Grounds for Rejection​

Testing Information​ ​

  • ​Monday to Friday (excluding statutory holidays), 7:30 a.m. to 4:00 p.m.
Testing Site​
  • ​SCH
  • ​Microscopic evaluation of liquid-based cytologic preparation
​Specimen Retention
  • ​Until case is signed out by pathologist
  • Slides are retained for 20 years

Testing Ordering Requirements​ ​

Forms Required

​If you choose to print this information, it is valid only on date of print.

Laboratory Controlled Document LSM-144 v2

Last Modified: Monday, July 18, 2016 |
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