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

24 - 48 hours

MiChart Code
Fluid Cytology
Soft Order Code

Test Updated:


Peritoneal Fluid Cytology
Pleural Fluid Cytology
Pericardial Fluid Cytology
Effusion Cytology
Pelvic Washing Cytology
Ascites Fluid Cytology
Cytology, Non-Gyn

Looking to order a test?

We’ve provided helpful links to make ordering easy.

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

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology
Test Usage

To establish the presence of primary or metastatic neoplasm and to aid in the diagnosis of certain benign conditions such as rheumatoid pleuritis and endometriosis.

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 patient last, first name and registration number (or other second unique patient identifier). If applicable, also specify right or left. Place fresh specimen into the container. Do not add fixative or anticoagulant. Submit with an appropriately completed requisition, 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
100 mL

Billing Information

CPT Code
Pro Fee Code
varies by fluid type

Have More Questions?

Explore our helpful billing resources:

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.