Summary & Overview
CPT 51741: Uroflowmetry (Urinary Flow Measurement)
CPT code 51741 codes for uroflowmetry, a noninvasive urodynamic measurement that quantifies urinary flow rate and volume in cubic centimeters per second. Uroflowmetry is widely used in urology and primary care to evaluate patients with lower urinary tract symptoms, urinary retention concerns, or suspected voiding dysfunction. Nationally, standardized reporting of uroflowmetry supports clinical decision-making, care coordination, and appropriate use of further diagnostic workups.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for 51741, typical sites of service, and the role of uroflowmetry in the diagnostic pathway. The publication also summarizes available benchmarks and payer coverage patterns where provided, highlights common billing modifiers used with diagnostic procedures, and outlines policy considerations that affect coding and reimbursement for urodynamic services.
This resource is intended for coding professionals, billing staff, clinical program managers, and policy analysts seeking a clear, national-level briefing on the clinical purpose and billing context of CPT code 51741.
Billing Code Overview
CPT code 51741 describes uroflowmetry (UFR), a diagnostic test that measures the rate and volume of urine flow from the bladder over time. The measurement is expressed in cubic centimeters per second and is used to assess urinary flow patterns and potential voiding dysfunction.
Service Type: Diagnostic test / Urodynamic measurement
Typical Site of Service: Outpatient clinic or urology practice
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Clinical & Coding Specifications
Clinical Context
A typical patient is an adult presenting to an outpatient urology clinic or ambulatory diagnostic center with lower urinary tract symptoms such as urinary hesitancy, weak stream, incomplete emptying, frequency, or post-void dribbling. The clinician documents history, performs a focused genitourinary exam, and obtains a bladder scan or post-void residual if indicated. Uroflowmetry (51741) is scheduled to measure maximum and average urinary flow rates and voided volume. The patient arrives with a comfortably full bladder, voids into a uroflowmetry device while privacy is maintained, and the technician or nurse records flow curve data and voided volume. Results are reviewed by the urologist or advanced practice provider to assess for bladder outlet obstruction, impaired detrusor contractility, or to monitor response to medical or surgical therapy (for example, benign prostatic hyperplasia treatment). Typical site of service is an outpatient clinic, ambulatory surgery center diagnostic area, or hospital outpatient department where noninvasive urodynamic testing is performed.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | When only the physician interpretation/report of the test is billed separately from the facility technical component |