Days Set Up
Analytic Time

Preliminary results are reported in 18 - 24 hours. Negative cultures are reported after 3 days.

MiChart Code
Quantitative Respiratory Culture/Smear
Soft Order Code

Test Updated:


Aerobe Bacterial Culture, Bronch Brush Quantitative
BAL Culture
Bronchoalveolar Lavage Culture
Quantitative Bronch Brush Aerobe Bacterial Culture
Quantitative Culture, Respiratory
Bronch Brush Quantitative, Aerobic Bacterial Culture

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All specimens should be accompanied by a requisition.

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Test Overview

Test Methodology


Test Usage

Isolate, identify and quantitate aerobic organisms.

Reference Range

No growth of aerobic bacteria

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Patient prep: Standard preparation for bronchoscopy and bronchial brushing. Specimen type: BAL, Bartlett brush; Insert Bartlett brush taking care to avoid oral and upper respiratory contamination. Perform bronchial brushing procedure. Withdraw brush from the prepared site using sterile technique. Put brush into transport broth tube. Send specimen directly to the Microbiology Laboratory.

Collection Offsite

Specimen transport should be arranged so that the specimen is received by MLabs within 24 hours of collection. Call for a STAT courier or send via overnight delivery. Send BAL specimens in a sterile container with no additive, at 4 degrees C (refrigerated). Testing on bronch brush specimens is available only to University of Michigan registered patients.

100ml Plastic Specimen Container
Normal Volume
1 brush or 0.5 ml (BAL)
Minimum Volume

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.