CPT 52318
Global 000 ActiveRemove bladder stone
CPT 52318 Billing & Documentation Guide
CPT code 52318 (Remove bladder stone) is classified under Surgery (Urinary/Reproductive) with a global period indicator of 000. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 8.95, a non-facility practice expense RVU of 2.29, and a malpractice RVU of 1.16, a total non-facility RVU of 12.4 and facility RVU of 12.4. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $418.04, though rates vary from $384.15 to $551.22 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 52318, ensure documentation supports medical necessity and the specific components required for the code's level of service. For E/M codes, document MDM (medical decision-making) elements: problems addressed, data reviewed, and risk. For procedural codes, document the indication, technique, and any complications. Always verify NCCI edits before bundling 52318 with related codes; this code has 10 PTP bundling relationships on file (see table below).
Payment Status & Global Period
Active code (paid under MPFS)
Endoscopic or minor procedure with related preoperative and postoperative work performed on the same day
MUE Limit (Medically Unlikely Edits)
Submitting more than 1 units of 52318 for the same patient on the same date triggers automatic line denial unless an appropriate modifier and supporting documentation justify the higher quantity.
RVU Breakdown, CPT 52318
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 8.95 | 8.95 |
| Practice Expense RVU | 2.29 | 2.29 |
| Malpractice RVU | 1.16 | 1.16 |
| Total RVU | 12.4 | 12.4 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 52318
State-level averages across all MAC localities. Non-facility rates typically apply to office-based services; facility rates apply to hospital outpatient / inpatient.
| State | Non-Facility | Facility | Range (Non-Fac) | Localities |
|---|---|---|---|---|
| California | $421.17 | $421.17 | $408.62 - $462.88 | 29 |
| Florida | $451.1 | $451.1 | $430.29 - $476.55 | 3 |
| Georgia | $418.72 | $418.72 | $413.35 - $424.08 | 2 |
| Illinois | $447.93 | $447.93 | $429.33 - $466.82 | 4 |
| Michigan | $425.29 | $425.29 | $412.51 - $438.07 | 2 |
| North Carolina | $395.06 | $395.06 | $395.06 - $395.06 | 1 |
| New York | $451.12 | $451.12 | $398.84 - $480.96 | 5 |
| Ohio | $407.83 | $407.83 | $407.83 - $407.83 | 1 |
| Pennsylvania | $417.97 | $417.97 | $405.77 - $430.17 | 2 |
| Texas | $411.87 | $411.87 | $404.54 - $430.6 | 8 |
Source: CMS PFSRVU 2026 · Updated 2026-04-01. Full locality-level detail available for all 53 states, contact us for custom reports.
NCCI Bundling Edits, CPT 52318
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 52318 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 00910 | Column 1 (primary), can be billed with modifier | No | Anesthesia service included in surgical procedure |
| 00916 | Column 1 (primary), can be billed with modifier | No | Anesthesia service included in surgical procedure |
| 00918 | Column 1 (primary), can be billed with modifier | No | Anesthesia service included in surgical procedure |
| 0213T | Column 1 (primary), can be billed with modifier | No | Misuse of Column Two code with Column One code |
| 0216T | Column 1 (primary), can be billed with modifier | No | Misuse of Column Two code with Column One code |
| 0228T | Column 1 (primary), can be billed with modifier | No | Standards of medical/surgical practice |
| 0230T | Column 1 (primary), can be billed with modifier | No | Standards of medical/surgical practice |
| 0596T | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 0597T | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 0708T | Column 1 (primary), can be billed with modifier | Yes | Standards of medical/surgical practice |
Frequently Asked Questions, CPT 52318
What does CPT code 52318 mean? +
CPT code 52318 represents: Remove bladder stone. It's in the Surgery (Urinary/Reproductive) category with a global period of 000.
What is the Medicare reimbursement for CPT 52318? +
The 2026 Medicare national average non-facility payment for CPT 52318 is $418.04. Rates range from $384.15 to $551.22 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 52318? +
Surgery codes commonly use modifier 22 (increased procedural services), 50 (bilateral), 51 (multiple procedures), 52 (reduced services), 58/78/79 (staged, unplanned return, unrelated within global), 62 (co-surgeons), 80/82 (assistant surgeon), and 59 or the X{EPSU} subset for distinct procedural service.
What bundling edits apply to CPT 52318? +
This code has 10 NCCI PTP bundling relationships. See the NCCI Bundling section below for full list.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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