CPT code 00918: Ureteral stone anesthesia, transurethral removal2026 Medicare rate & RVUs

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

What 00918 covers

Code 00918 describes anesthesia for an endoscopic transurethral operation that reaches the urinary tract to remove a calculus. Urologists commonly pass a scope through the urethra and bladder into the ureter, then extract or fragment the stone. An anesthesiologist or CRNA typically provides the anesthesia during operative urologic care.

Choose this code for transurethral or ureteroscopic calculus removal, rather than a general transurethral procedure or a bladder-tumor, prostate, or bleeding-control resection. The operative report should identify the endoscopic route and stone-removal work; the anesthesia record should support the practitioner’s attendance time. Medicare payment is (5 base units + time units) multiplied by the locality’s anesthesia conversion factor. Anesthesia time is reported in minutes and converted to 15-minute units to one decimal place, from the practitioner’s preparation of the patient until personal attendance ends and the patient can safely be placed under postoperative care.

This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.

Where 00918 pays more and less

The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.

109 of 109 payment localities

00918 rates by state

Office rate range in each state. Select a state to see its payment localities.

How the 00918 rate is calculated

Each of 00918’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

Payment rules and modifiers for 00918

00918 has no global surgery period, no multiple-procedure, bilateral or assistant-at-surgery adjustment, and no professional/technical split. What changes the payment is where the service happens: the place of service on the claim decides whether Medicare pays the office or the facility rate.

00918 compared with similar codes

How to choose

00910Transurethral anesthesiaOther transurethral procedures

00918 is specific to transurethral calculus removal, including ureteroscopic work. Use 00910 for a transurethral procedure without a more specific anesthesia category.

00912Bladder tumor anesthesiaTransurethral resection

00912 applies to transurethral resection of a bladder tumor; 00918 applies when the endoscopic procedure removes a urinary calculus.

00914Prostate resection anesthesiaTransurethral approach

00914 is for transurethral prostate resection. Select 00918 for transurethral or ureteroscopic calculus removal.

00916Bleeding-control anesthesiaAfter transurethral resection

00916 is for transurethral control of bleeding, rather than removal of a urinary calculus.

Codes related to 00918

Related codes aren’t interchangeable: bill the code that matches the service performed.

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Open CMS sourceHow we calculate rates