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Learn more about bladder stone treatment guidelines from the American Urological Association:
https://www.auanet.org

Many urology practices improve coding accuracy with

Urology Medical Billing Services

that specialize in procedure-based billing.

>What is CPT Code 52317?

CPT Code 52317 describes cystourethroscopy with litholapaxy, a minimally invasive procedure used to fragment and remove bladder stones smaller than 2.5 cm.

During the procedure, urologists may use:

• Laser lithotripsy
• Ultrasonic lithotripsy
• Mechanical lithotripters

Fragments are then extracted using specialized instruments such as an Ellik evacuator.

>Understanding CPT Code 52317 for Cystourethroscopy With Litholapaxy

CPT Code 52317 describes litholapaxy performed using a cystoscope to fragment and remove bladder stones measuring less than 2.5 cm.

For a clinical overview of the procedure:
https://www.mayoclinic.org/tests-procedures/cystoscopy/about/pac-20393694

The physician fragments the stone using laser, ultrasonic, or mechanical lithotripsy and removes the fragments through suction or retrieval devices.

Additional reference:
https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/lithotripsy

>Clinical Scenarios Where CPT Code 52317 Applies

Scenario 1: Single Small Bladder Stone

A patient presents with painful urination and imaging identifies a 1.5 cm bladder stone.

The urologist performs cystoscopy and uses laser lithotripsy to fragment the stone. The pieces are then removed using an Ellik evacuator.

Because the stone measures less than 2.5 cm, the correct billing code is CPT Code 52317.

Scenario 2: Multiple Small Bladder Stones

Some patients present with multiple bladder stones, each smaller than 2.5 cm.

Key documentation should include:

1. Total stone count
2. Aggregate stone burden
3. Fragmentation technique used
4. Surgical duration
5. Technical challenges encountered

If the procedure becomes significantly complex, CPT Code 52318 may be more appropriate.

>When to Use CPT Code 52317

1. A cystourethroscopy procedure is performed
2. The bladder stone measures less than 2.5 cm
3. The stone is fragmented using laser, ultrasonic, or mechanical lithotripsy
4. The fragments are removed during the same procedure

>When CPT Code 52317 Should NOT Be Used

1. The stone measures larger than 2.5 cm → Use CPT Code 52318
2. The stone is removed through open surgery → Use 51050
3. The procedure involves kidney or ureter stones

For example, ureteroscopic lithotripsy procedures are typically reported with CPT Code 52353.

>Documentation Requirements for CPT Code 52317

Ensure the operative report includes:

• Procedure description – cystourethroscopy with litholapaxy
• Exact stone size (under 2.5 cm)
• Stone location within the bladder
• Fragmentation method used
• Inspection findings of the bladder and urethra

>Important Modifiers for CPT Code 52317

Modifier 59 – Distinct Procedural Service

• XS – Separate structure
• XE – Separate encounter
• XP – Separate practitioner
• XU – Unusual non-overlapping service

Modifier 22 – Increased Procedural Services

Modifier 22 may be applied when the procedure required significantly more time or effort due to difficult anatomy or extended surgical time.

>Estimated Medicare Reimbursement for CPT Code 52317

• Non-Facility (Physician Office): $850 – $900
• Facility (Hospital / ASC): $300 – $1,000

Check the CMS Physician Fee Schedule: https://www.cms.gov/medicare/physician-fee-schedule/search

>Avoid Claim Denials by Understanding Bundled Services

Common services already included in the code:

• Routine cystoscopy
• Catheter placement
• Bladder irrigation

Review NCCI edits:
https://www.cms.gov/medicare/national-correct-coding-initiative

>How Evocare Supports Urology Practices

Evocare helps urology practices improve coding accuracy and strengthen revenue cycle performance.

• CPT coding accuracy
• Documentation improvement
• Modifier compliance
• Denial prevention strategies
• Revenue cycle optimization

>Conclusion

Accurate use of CPT Code 52317 ensures proper reimbursement when performing cystourethroscopy with litholapaxy. Clear documentation and compliant coding help reduce claim denials and streamline billing workflows.

Partnering with a reliable
medical billing company
helps practices improve coding accuracy and accelerate reimbursements.

Contact us:

info@evocarebillings.com

(323) 412-5399