Days Set Up
Monday - Friday, 8:00am - 5:00pm
Analytic Time

24 - 48 hours

Soft Order Code

Test Updated:


Bronchial Washing Cytology
Bronchoalveolar Lavage Cytology
BAL Cytology
Tracheal Washing Cytology
Cytology, Non-Gyn

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology
Test Usage

BAL for lipid (Oil Red-O): to detect the presence of lipid laden macrophages which are indicative of aspiration pneumonia and/or hemosiderin laden macrophages. Bronchial washing/BAL: to establish the presence of primary or metastatic neoplasm, and to aid in the diagnosis of infectious diseases such as Cytomegalovirus, Aspergillus, and Pneumocystis carinii.

Reference Range

Interpretive report provided.

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

Specimen Requirements

Collection Offsite

Label a clean, leakproof rigid container with the patient's last, first name and registration number (or other second unique patient identifier). Also indicate specific anatomic site. Place fresh specimen into the container. Submit with an appropriately completed requisition (one for each anatomic site), including pertinent patient history. Refrigerate specimens that cannot be delivered immediately and deliver as soon as possible. Do not allow specimen to freeze.

Normal Volume
submit as much as is available
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.