Summary & Overview
CPT 51736: Uroflowmetry (Urodynamic Flow Study)
CPT code 51736 denotes uroflowmetry, a noninvasive urodynamic test that records urine flow rate and volume to evaluate lower urinary tract function. Uroflowmetry is widely used in urology and primary care settings to screen for urinary obstruction, evaluate voiding dysfunction, and monitor treatment response. Nationally, consistent coding for uroflowmetry supports quality measurement, appropriate utilization, and accurate claims processing for diagnostic urodynamic services.
This analysis covers major payers including Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for uroflowmetry, common sites of service, and what typical claims include. The publication highlights benchmarks for utilization and reimbursement patterns, summarizes relevant policy and coverage considerations, and outlines documentation elements that frequently appear in payer reviews. Where specific payer policy details are not available, the report notes that data is not available in the input.
Intended for billing managers, practice administrators, and policy analysts, the content clarifies how CPT code 51736 is applied in clinical workflows and billing processes and what stakeholders typically consider when reviewing these diagnostic service claims.
Billing Code Overview
CPT code 51736 refers to uroflowmetry (UFR), a diagnostic procedure that measures the rate and volume of urine flow from the bladder, reported in cubic centimeters per second. The test quantifies the relationship of volume over time to assess voiding function and identify abnormalities such as obstruction or impaired detrusor contractility.
Service type: Diagnostic urodynamic testing
Typical site of service: Outpatient urology clinic or diagnostic testing center, where a patient voids into a calibrated uroflowmeter that records flow rate and total volume.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult presenting to a urology or primary care clinic with lower urinary tract symptoms such as weak urinary stream, hesitancy, intermittency, straining, or incomplete emptying. The clinician obtains a focused history and performs a focused genitourinary exam. Uroflowmetry (51736) is ordered to quantify maximum flow rate (Qmax), average flow rate, voided volume, and flow pattern. The patient is instructed to arrive with a comfortably full bladder or to drink fluids in clinic until adequate bladder volume is achieved. In the clinic workflow a trained medical assistant or nurse provides the patient a uroflowmeter cup in a private restroom, the patient voids directly into the device, and the device records flow versus time. Results are printed or uploaded to the electronic medical record and reviewed by the ordering provider, often alongside post-void residual measurement by bladder scan or catheterization if indicated. Typical sites of service are outpatient urology clinics, primary care offices with urology services, ambulatory surgical centers for perioperative assessment, and hospital outpatient departments when inpatient evaluation is required. The procedure is noninvasive, usually brief (minutes), and used for evaluation of benign prostatic hyperplasia, suspected bladder outlet obstruction, neurogenic bladder, and follow-up after intervention such as transurethral resection of the prostate (TURP) or sling procedures.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 |