CPT 17312
Global ZZZ ActiveMohs addl stage
CPT 17312 Billing & Documentation Guide
CPT code 17312 (Mohs addl stage) is classified under Anesthesia with a global period indicator of ZZZ. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 3.22, a non-facility practice expense RVU of 8.51, and a malpractice RVU of 0.33, a total non-facility RVU of 12.06 and facility RVU of 4.58. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $415.83, though rates vary from $357.39 to $535.17 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 17312, 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 17312 with related codes; this code has 10 PTP bundling relationships on file (see table below).
Payment Status & Global Period
Active code (paid under MPFS)
Add-on code (global concept does not apply)
MUE Limit (Medically Unlikely Edits)
Submitting more than 6 units of 17312 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 17312
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 3.22 | 3.22 |
| Practice Expense RVU | 8.51 | 1.03 |
| Malpractice RVU | 0.33 | 0.33 |
| Total RVU | 12.06 | 4.58 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 17312
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 | $453.72 | $158.09 | $426.82 - $535.17 | 29 |
| Florida | $414.2 | $163.53 | $395.85 - $431.32 | 3 |
| Georgia | $392.07 | $153.72 | $374.23 - $409.9 | 2 |
| Illinois | $403.64 | $162.23 | $384.29 - $419.75 | 4 |
| Michigan | $389.97 | $155.37 | $379.51 - $400.43 | 2 |
| North Carolina | $379.79 | $146.69 | $379.79 - $379.79 | 1 |
| New York | $444.73 | $166.01 | $385.33 - $472.87 | 5 |
| Ohio | $378.17 | $150.07 | $378.17 - $378.17 | 1 |
| Pennsylvania | $398.72 | $154 | $378.9 - $418.53 | 2 |
| Texas | $398.22 | $152.25 | $376.45 - $418.26 | 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 17312
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 17312 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 11000 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 11001 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 11004 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 11005 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 11006 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 11042 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 11043 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 11044 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 11045 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 11046 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
Frequently Asked Questions, CPT 17312
What does CPT code 17312 mean? +
CPT code 17312 represents: Mohs addl stage. It's in the Anesthesia category with a global period of ZZZ.
What is the Medicare reimbursement for CPT 17312? +
The 2026 Medicare national average non-facility payment for CPT 17312 is $415.83. Rates range from $357.39 to $535.17 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 17312? +
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 17312? +
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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