CPT 77317
Global XXX ActiveBrachytx isodose intermed
CPT 77317 Billing & Documentation Guide
CPT code 77317 (Brachytx isodose intermed) is classified under Radiology with a global period indicator of XXX. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 1.78, a non-facility practice expense RVU of 7.85, and a malpractice RVU of 0.13, a total non-facility RVU of 9.76 and facility RVU of 9.76. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $338.02, though rates vary from $286.92 to $446.41 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 77317, 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 77317 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 77317 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 77317
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 1.78 | 1.78 |
| Practice Expense RVU | 7.85 | 7.85 |
| Malpractice RVU | 0.13 | 0.13 |
| Total RVU | 9.76 | 9.76 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 77317
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 | $374.19 | $374.19 | $350.16 - $446.41 | 29 |
| Florida | $330.98 | $330.98 | $316.64 - $343.38 | 3 |
| Georgia | $314.88 | $314.88 | $298.51 - $331.24 | 2 |
| Illinois | $321.31 | $321.31 | $305.63 - $336.84 | 4 |
| Michigan | $311.77 | $311.77 | $303.74 - $319.79 | 2 |
| North Carolina | $306.86 | $306.86 | $306.86 - $306.86 | 1 |
| New York | $360.68 | $360.68 | $311.59 - $383.07 | 5 |
| Ohio | $303.22 | $303.22 | $303.22 - $303.22 | 1 |
| Pennsylvania | $321.45 | $321.45 | $304.25 - $338.65 | 2 |
| Texas | $321.95 | $321.95 | $302.09 - $340.82 | 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 77317
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 77317 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 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 | Misuse of Column Two code with Column One code |
| 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 |
| 16020 | Column 1 (primary), can be billed with modifier | No | Standards of medical/surgical practice |
Frequently Asked Questions, CPT 77317
What does CPT code 77317 mean? +
CPT code 77317 represents: Brachytx isodose intermed. It's in the Radiology category with a global period of XXX.
What is the Medicare reimbursement for CPT 77317? +
The 2026 Medicare national average non-facility payment for CPT 77317 is $338.02. Rates range from $286.92 to $446.41 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 77317? +
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 77317? +
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 June 1, 2026.
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