Test Overview

Test Usage

To establish the presence of primary or metastatic neoplasm and to aid in the diagnosis of certain infections.

Reference Range*

Interpretive report provided.

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

Test Limitations

Improper fixation (e.g., formalin fixation), delay in delivery of specimen resulting in cellular degeneration, allowing specimen to freeze, or submission of 24-hour collection samples may lead to specimen rejection or unsatisfactory results.

Test Details

Days Test Performed

Monday - Friday, 8:00am - 5:00pm

Analytic Time

24 - 48 hours

Soft Order Code


MiChart Code

Cytology, Urine



Bladder Washing Cytology
Urine Cytology
Urethral Washing Cytology
Renal Pelvic Washing Cytology
Ureteral Washing Cytology
Cytology, Urine

+ See More



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.

Specimen Requirements

Offsite Collection Instructions

Label a CytoLyt container with patient last, first name and registration number (or other second unique patient identifier). If applicable, also specify right or left (ureteral and renal pelvis washings). Place fresh urine specimen (2nd voided specimen) or catheterized specimen in CytoLyt specimen container. (Discard the 1st voided/catheterized specimen.) If CytoLyt is not available, place fresh specimen into a clean, leakproof, rigid container (labeled as indicated above; do not add any fixative. 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.

Rejection Criteria

24-hour sample collections and collapsible bags are NOT acceptable Cytology specimens.

Normal Volume

Submit as much as is available

Minimum Volume

30 mL

Additional Information

Test includes pathologist interpretation of results billed as a separate additional charge or billed to the client as a global fee. Special stains and/or other ancillary studies will be performed when appropriate at an additional charge. By ordering this test the clinician acknowledges that additional reflex testing will be performed and billed at a separate additional charge if indicated.

Billing Information

Fee Codes

CPT Code


Pro Fee Code

88112.4 Urine, 88112 Ureteral, 88112.1 Bladder

Have More Billing Questions?

Explore our helpful billing resources:

Billing Resources

Billing FAQ