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Bronchoalveolar Lavage (BAL) and Bronchial Wash (BW)

Source Bronchoalveolar Lavage or Bronchial Wash
Mnemonic
Specimen Requirements

Submit saline lavage specimen in a sterile container or sterile specimen trap.

  Specimen Requirements
 Minimum Optimal 
 Micro  5 mL  10 mL
 Prov Lab  5 mL  10 mL
 Cyto  3 mL  10 mL
 Flow  1 mL  3 mL

For FMC Bronchoscopy Suite Trial Only:
•Complete the Bronchoalveolar Lavage/ Bronchial Wash Requisition REQ9024MI.
•If there are  multiple test requests and there is insufficient quantity, clearly prioritize by indicating #1 through #4 in the testing priority section of the requisition.
•For further information refer to Bronchoscopy Specimen Packaging Instructions  REG5286.

Specimen Handling

Specimen MUST be received in Microbiology laboratory (DSC) within 2 hours of receipt in the RRL.

Store specimens at room temperature. DO NOT refrigerate.

Collecting locations: 

Send all BAL and BW specimens regardless of testing ordered to the Accession area of the Laboratory.   Specimens from multiple body sites or from multiple patients are not to be packaged in the same specimen transport bag. Place all the individual specimen transport bags from same patient and  body site into a large resealable plastic bag.

For FMC Bronchoscopy Suite Trial Only: label large transport bag with the Bronchoscopy Specimen Destination Label REG5285.

CLS Accession staff:  Send all BAL specimens to DSC Microbiology regardless of testing ordered.

Additional Information

For specific BAL and BW test information,  refer to clinical section specific test pages:

Microbiology

Cytopathology

Flow Cytometry

Hematology

CLS staff: refer to regional procedure REG02-010 BAL and BW Specimen Flow for specific specimen handling instructions.

Testing Location
Testing Frequency
Alternate Name(s)

BAL

BW

Reference Interval