CPT 77301
Global XXX ActiveRadiotherapy dose plan imrt
CPT 77301 Billing & Documentation Guide
CPT code 77301 (Radiotherapy dose plan imrt) is classified under Radiology with a global period indicator of XXX. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 7.79, a non-facility practice expense RVU of 50.2, and a malpractice RVU of 0.7, a total non-facility RVU of 58.69 and facility RVU of 58.69. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $2035.41, though rates vary from $1712.54 to $2719.18 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 77301, 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 77301 with related codes; this code has 10 PTP bundling relationships on file (see table below).
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 77301 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 77301
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 7.79 | 7.79 |
| Practice Expense RVU | 50.2 | 50.2 |
| Malpractice RVU | 0.7 | 0.7 |
| Total RVU | 58.69 | 58.69 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 77301
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 | $2266.22 | $2266.22 | $2114.84 - $2719.18 | 29 |
| Florida | $1988.02 | $1988.02 | $1898.28 - $2064.79 | 3 |
| Georgia | $1888.16 | $1888.16 | $1783.7 - $1992.61 | 2 |
| Illinois | $1925.92 | $1925.92 | $1827.59 - $2025.44 | 4 |
| Michigan | $1867.55 | $1867.55 | $1817.44 - $1917.65 | 2 |
| North Carolina | $1839.52 | $1839.52 | $1839.52 - $1839.52 | 1 |
| New York | $2174.87 | $2174.87 | $1869.52 - $2313.89 | 5 |
| Ohio | $1814.61 | $1814.61 | $1814.61 - $1814.61 | 1 |
| Pennsylvania | $1929.88 | $1929.88 | $1821.52 - $2038.24 | 2 |
| Texas | $1934.08 | $1934.08 | $1807.73 - $2055.4 | 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 77301
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 77301 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 0083T | Column 1 (primary), can be billed with modifier | No | Misuse of Column Two code with Column One code |
| 0591T | Column 1 (primary), can be billed with modifier | Yes | CPT Manual or CMS manual coding instruction |
| 0592T | Column 1 (primary), can be billed with modifier | Yes | CPT Manual or CMS manual coding instruction |
| 0593T | Column 1 (primary), can be billed with modifier | Yes | CPT Manual or CMS manual coding instruction |
| 0596T | Column 1 (primary), can be billed with modifier | No | Standards of medical/surgical practice |
| 0597T | Column 1 (primary), can be billed with modifier | No | Standards of medical/surgical practice |
| 0694T | Column 1 (primary), can be billed with modifier | No | Standards of medical/surgical practice |
| 11920 | Column 1 (primary), can be billed with modifier | No | Standards of medical/surgical practice |
| 11921 | Column 1 (primary), can be billed with modifier | No | Standards of medical/surgical practice |
| 16000 | Column 1 (primary), can be billed with modifier | No | Standards of medical/surgical practice |
Frequently Asked Questions, CPT 77301
What does CPT code 77301 mean? +
CPT code 77301 represents: Radiotherapy dose plan imrt. It's in the Radiology category with a global period of XXX.
What is the Medicare reimbursement for CPT 77301? +
The 2026 Medicare national average non-facility payment for CPT 77301 is $2035.41. Rates range from $1712.54 to $2719.18 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 77301? +
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 77301? +
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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