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CPT 51725: Cystometrogram — Bladder Pressure and Capacity Test

CPT code 51725 represents a cystometrogram, an urodynamic procedure that measures bladder capacity and intravesical pressure to evaluate bladder contraction and emptying. This test is central to diagnosing urinary incontinence, neurogenic bladder, and other lower urinary tract dysfunctions, making it an important procedure in urology and pelvic floor care nationwide. The code signals specialized diagnostic evaluation beyond basic office assessment and typically involves instrumentation and monitoring in outpatient facilities.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for CPT code 51725, typical sites of service, and the role of urodynamic testing in diagnostic pathways. The publication outlines common billing modifiers associated with the procedure and highlights the payer landscape relevant to reimbursement and coverage policy. It also summarizes related service lines and practical considerations for coding and billing workflows. Data not available in the input is noted where applicable.

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Billing Code Overview

CPT code 51725 describes a cystometrogram, a procedure that measures bladder capacity and pressure to evaluate bladder contraction and expulsion function. It is used to diagnose urinary storage and voiding disorders by recording bladder behavior during filling and voiding.

Service type: Urodynamic diagnostic testing
Typical site of service: Hospital outpatient department, ambulatory surgery center, or specialized urology clinic

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CPT 51725: Cystometrogram — Bladder Pressure and Capacity Test

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Billing Code Overview

Service type: Urodynamic diagnostic testing
Typical site of service: Hospital outpatient department, ambulatory surgery center, or specialized urology clinic

Clinical & Coding Specifications

Clinical Context

A 62-year-old female with progressive urinary urgency, frequency, nocturia, and episodes of urge incontinence is referred to the urology clinic after conservative measures fail. The patient reports incomplete bladder emptying and intermittent dysuria. A focused history, physical exam, and bladder diary suggest lower urinary tract dysfunction. The clinician schedules a cystometrogram (51725) to quantify bladder capacity, compliance, detrusor overactivity, and voiding pressures.

The workflow: the patient presents to an outpatient urology procedure suite or an ambulatory surgery center. After informed consent and explanation of the study, a small transurethral catheter and a rectal or vaginal pressure-sensing device may be placed. Saline is instilled at a controlled rate while intravesical pressure is recorded to assess filling sensations, capacity, compliance, and involuntary contractions. The test may include leak point pressure measurements and provocation maneuvers. Results are reviewed by the urologist and used to guide management such as bladder retraining, medications, or targeted interventions.

Coding Specifications

Modifier	Description	When to Use
`25`	Significant, separately identifiable evaluation and management service by the same physician on the day of a procedure	Use when a distinct E/M visit is performed and documented on the same day as `51725`.
`52`	Reduced services	Use when the cystometrogram is partially reduced or not completed as documented.
`53`	Discontinued procedure	Use when the procedure is started but terminated due to patient instability or technical issues.
`59`	Distinct procedural service	Use to indicate a separate and distinct procedure when multiple urologic procedures are billed the same day.
`62`	Two surgeons	Use when two surgeons of different specialties perform distinct portions of the procedure.
`76`*	Repeat procedure by same physician	Not in provided list; see `77` absence — Data not available in the input.
`78`	Unplanned return to the operating/procedure room by the same physician following initial procedure	Use if the patient requires immediate return to the procedure room related to the initial cystometrogram.
`79`	Unrelated procedure or service by the same physician during the postoperative period	Use for an unrelated procedure performed during global period (if applicable).
`22`	Increased procedural services	Use when the study requires substantially more work than usual, documented and justified.
`26`	Professional component	Use when reporting only the physician interpretation of testing performed by facility equipment or staff.
`TC`	Technical component	Use when billing only the technical component (facility equipment, supplies, and staff) for the cystometrogram.
`50`	Bilateral procedure	Generally not applicable to `51725`; avoid unless payer guidance allows.
`52`	Reduced services	Duplicate omitted — already listed above.
`59`	Distinct procedural service	Duplicate omitted — already listed above.

Taxonomy Code	Specialty	Notes
`208D00000X`	Urology	Urologists commonly perform and interpret cystometrograms.
`207L00000X`	Female Pelvic Medicine & Reconstructive Surgery	Specialists managing complex pelvic floor and bladder dysfunction.
`207K00000X`	Internal Medicine - Nephrology	Nephrologists may be involved when bladder dysfunction affects renal function.
`261QM0800X`	Physical Therapy	Pelvic floor physical therapists participate in pre/post-procedure conservative management.
`207V00000X`	Obstetrics & Gynecology	Gynecologists with urogynecology training perform and interpret lower urinary tract studies.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
Data not available in the input.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`51741`	Complex uroflowmetry (uroflowmetry with post-void residual by catheterization or bladder scan)	Often performed before `51725` to screen voiding pattern and measure flow/retention.
`51784`	Electromyography studies of the external anal sphincter or pelvic floor with needle electrode(s)	May be combined with cystometrogram to evaluate neurogenic bladder and pelvic floor dysfunction.
`51798`	Complex cystometrogram with pressure-flow study (pressure flow study included)	Performed with or following `51725` when detailed pressure-flow evaluation of voiding is required.
`52204`	Cystourethroscopy, with fulguration and/or resection of lesions (simple)	May be performed if cystometrogram findings prompt endoscopic evaluation for structural causes.
`99000`	Handling and/or conveyance of specimen	Administrative/support code that may appear in facility billing when specimens or disposables require special handling.

CPT 51726: Cystometry for Bladder Capacity and Pressure Measurement

CPT-51727-COMPLEX-CYSTOMETROGRAM-URETHRAL-PRESSURE-PROFILE

CPT 51727: Complex Cystometrogram with Urethral Pressure Profile

CPT-51728-COMPLEX-CYSTOMETROGRAM-VOIDING-PRESSURE-STUDIES

CPT 51728: Complex Cystometrogram with Voiding Pressure Studies

CPT-51729-COMPLEX-CYSTOMETROGRAM-VOIDING-URETHRAL-PRESSURE-PROFILE

CPT 51729: Complex Cystometrogram with Voiding and Urethral Pressure Studies

CPT-51736-UROFLOWMETRY-URODYNAMIC-FLOW-STUDY

CPT 51736: Uroflowmetry (Urodynamic Flow Study)

CPT-51741-UROFLOWMETRY-URINARY-FLOW-MEASUREMENT

CPT 51741: Uroflowmetry (Urinary Flow Measurement)

CPT-51784-ANAL-OR-URETHRAL-SPHINCTER-ELECTRICAL-ACTIVITY-TESTING

CPT 51784: Anal or Urethral Sphincter Electrical Activity Testing

CPT-51785-ANAL-URETHRAL-SPHINCTER-ELECTROMYOGRAPHY

CPT 51785: Electromyography of Anal or Urethral Sphincter

CPT-51792-SPHINCTER-ELECTROMYOGRAPHY-ANAL-URETHRAL

CPT 51792: Electromyography of Anal or Urethral Sphincter Muscles

CPT-51797-VOIDING-PRESSURE-URODYNAMIC-TEST

CPT 51797: Voiding Pressure (Urodynamic) Measurement

Showing 1–10 of 11

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifier	Description	When to Use
`25`	Significant, separately identifiable evaluation and management service by the same physician on the day of a procedure	Use when a distinct E/M visit is performed and documented on the same day as `51725`.
`52`	Reduced services	Use when the cystometrogram is partially reduced or not completed as documented.
`53`	Discontinued procedure	Use when the procedure is started but terminated due to patient instability or technical issues.
`59`	Distinct procedural service	Use to indicate a separate and distinct procedure when multiple urologic procedures are billed the same day.
`62`	Two surgeons	Use when two surgeons of different specialties perform distinct portions of the procedure.
`76`*	Repeat procedure by same physician	Not in provided list; see `77` absence — Data not available in the input.
`78`	Unplanned return to the operating/procedure room by the same physician following initial procedure	Use if the patient requires immediate return to the procedure room related to the initial cystometrogram.
`79`	Unrelated procedure or service by the same physician during the postoperative period	Use for an unrelated procedure performed during global period (if applicable).
`22`	Increased procedural services	Use when the study requires substantially more work than usual, documented and justified.
`26`	Professional component	Use when reporting only the physician interpretation of testing performed by facility equipment or staff.
`TC`	Technical component	Use when billing only the technical component (facility equipment, supplies, and staff) for the cystometrogram.
`50`	Bilateral procedure	Generally not applicable to `51725`; avoid unless payer guidance allows.
`52`	Reduced services	Duplicate omitted — already listed above.
`59`	Distinct procedural service	Duplicate omitted — already listed above.

Taxonomy Code	Specialty	Notes
`208D00000X`	Urology	Urologists commonly perform and interpret cystometrograms.
`207L00000X`	Female Pelvic Medicine & Reconstructive Surgery	Specialists managing complex pelvic floor and bladder dysfunction.
`207K00000X`	Internal Medicine - Nephrology	Nephrologists may be involved when bladder dysfunction affects renal function.
`261QM0800X`	Physical Therapy	Pelvic floor physical therapists participate in pre/post-procedure conservative management.
`207V00000X`	Obstetrics & Gynecology	Gynecologists with urogynecology training perform and interpret lower urinary tract studies.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
Data not available in the input.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`51741`	Complex uroflowmetry (uroflowmetry with post-void residual by catheterization or bladder scan)	Often performed before `51725` to screen voiding pattern and measure flow/retention.
`51784`	Electromyography studies of the external anal sphincter or pelvic floor with needle electrode(s)	May be combined with cystometrogram to evaluate neurogenic bladder and pelvic floor dysfunction.
`51798`	Complex cystometrogram with pressure-flow study (pressure flow study included)	Performed with or following `51725` when detailed pressure-flow evaluation of voiding is required.
`52204`	Cystourethroscopy, with fulguration and/or resection of lesions (simple)	May be performed if cystometrogram findings prompt endoscopic evaluation for structural causes.
`99000`	Handling and/or conveyance of specimen	Administrative/support code that may appear in facility billing when specimens or disposables require special handling.

CPT 51726: Cystometry for Bladder Capacity and Pressure Measurement

CPT-51727-COMPLEX-CYSTOMETROGRAM-URETHRAL-PRESSURE-PROFILE

CPT 51727: Complex Cystometrogram with Urethral Pressure Profile

CPT-51728-COMPLEX-CYSTOMETROGRAM-VOIDING-PRESSURE-STUDIES

CPT 51728: Complex Cystometrogram with Voiding Pressure Studies

CPT-51729-COMPLEX-CYSTOMETROGRAM-VOIDING-URETHRAL-PRESSURE-PROFILE

CPT 51729: Complex Cystometrogram with Voiding and Urethral Pressure Studies

CPT-51736-UROFLOWMETRY-URODYNAMIC-FLOW-STUDY

CPT 51736: Uroflowmetry (Urodynamic Flow Study)

CPT-51741-UROFLOWMETRY-URINARY-FLOW-MEASUREMENT

CPT 51741: Uroflowmetry (Urinary Flow Measurement)

CPT-51784-ANAL-OR-URETHRAL-SPHINCTER-ELECTRICAL-ACTIVITY-TESTING

CPT 51784: Anal or Urethral Sphincter Electrical Activity Testing

CPT-51785-ANAL-URETHRAL-SPHINCTER-ELECTROMYOGRAPHY

CPT 51785: Electromyography of Anal or Urethral Sphincter

CPT-51792-SPHINCTER-ELECTROMYOGRAPHY-ANAL-URETHRAL

CPT 51792: Electromyography of Anal or Urethral Sphincter Muscles

CPT-51797-VOIDING-PRESSURE-URODYNAMIC-TEST

CPT 51797: Voiding Pressure (Urodynamic) Measurement

Showing 1–10 of 11

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

OpenPayer

CPT 51725: Cystometrogram — Bladder Pressure and Capacity Test

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Billing Code Overview

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CPT 51725: Cystometrogram — Bladder Pressure and Capacity Test

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Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

CPT 51725: Cystometrogram — Bladder Pressure and Capacity Test

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Billing Code Overview

CPT 51725: Cystometrogram — Bladder Pressure and Capacity Test

Sign up for cpt 51725 policy alerts

Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What is CPT 51725 and where is it typically performed?

Which billing modifiers are commonly used with 51725 and when should they be applied?

Which related CPT codes might appear alongside or before 51725?

In what clinical scenario is a cystometrogram (51725) indicated and what does the study evaluate?

Which payers are mentioned as covering CPT 51725 and does the page provide coverage criteria?

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What is CPT 51725 and where is it typically performed?

Which billing modifiers are commonly used with 51725 and when should they be applied?

Which related CPT codes might appear alongside or before 51725?

In what clinical scenario is a cystometrogram (51725) indicated and what does the study evaluate?

Which payers are mentioned as covering CPT 51725 and does the page provide coverage criteria?

References