CPT 77436
Global XXX ActiveSurf radj ther tx planning
CPT 77436 Billing & Documentation Guide
CPT code 77436 (Surf radj ther tx planning) is classified under Radiology with a global period indicator of XXX. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 0.77, a non-facility practice expense RVU of 1.54, and a malpractice RVU of 0.04, a total non-facility RVU of 2.35 and facility RVU of 2.35. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $81.07, though rates vary from $70.59 to $103.44 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 77436, 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 current NCCI edits before bundling with related codes.
Payment Status & Global Period
Active code (paid under MPFS)
No global period (E/M and other non-procedural services)
MUE Limit (Medically Unlikely Edits)
Submitting more than 1 units of 77436 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 77436
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 0.77 | 0.77 |
| Practice Expense RVU | 1.54 | 1.54 |
| Malpractice RVU | 0.04 | 0.04 |
| Total RVU | 2.35 | 2.35 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 77436
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 | $88.23 | $88.23 | $83.25 - $103.44 | 29 |
| Florida | $79.93 | $79.93 | $76.9 - $82.64 | 3 |
| Georgia | $76.43 | $76.43 | $73.19 - $79.66 | 2 |
| Illinois | $78.06 | $78.06 | $74.77 - $81.09 | 4 |
| Michigan | $75.9 | $75.9 | $74.19 - $77.61 | 2 |
| North Carolina | $74.56 | $74.56 | $74.56 - $74.56 | 1 |
| New York | $86.14 | $86.14 | $75.52 - $91 | 5 |
| Ohio | $74.03 | $74.03 | $74.03 - $74.03 | 1 |
| Pennsylvania | $77.76 | $77.76 | $74.2 - $81.32 | 2 |
| Texas | $77.74 | $77.74 | $73.77 - $81.37 | 8 |
Source: CMS PFSRVU 2026 · Updated 2026-04-01. Full locality-level detail available for all 53 states, contact us for custom reports.
Frequently Asked Questions, CPT 77436
What does CPT code 77436 mean? +
CPT code 77436 represents: Surf radj ther tx planning. It's in the Radiology category with a global period of XXX.
What is the Medicare reimbursement for CPT 77436? +
The 2026 Medicare national average non-facility payment for CPT 77436 is $81.07. Rates range from $70.59 to $103.44 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 77436? +
Radiology codes rely heavily on the professional/technical split: modifier 26 (professional component only) and TC (technical component only). Also common: 50 (bilateral imaging), 76 (repeat by same physician), 77 (repeat by different physician), and LT/RT for laterality.
What bundling edits apply to CPT 77436? +
No NCCI PTP edits currently on file for this code.
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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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