CPT 77285
Global XXX ActiveTher rad simulaj field intrm
CPT 77285 Billing & Documentation Guide
CPT code 77285 (Ther rad simulaj field intrm) is classified under Radiology with a global period indicator of XXX. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 1.02, a non-facility practice expense RVU of 12.48, and a malpractice RVU of 0.06, a total non-facility RVU of 13.56 and facility RVU of 13.56. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $471.51, though rates vary from $393.17 to $639.98 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 77285, 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 77285 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 77285 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 77285
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 1.02 | 1.02 |
| Practice Expense RVU | 12.48 | 12.48 |
| Malpractice RVU | 0.06 | 0.06 |
| Total RVU | 13.56 | 13.56 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 77285
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 | $529.62 | $529.62 | $492.58 - $639.98 | 29 |
| Florida | $456.2 | $456.2 | $435.58 - $473.07 | 3 |
| Georgia | $434.18 | $434.18 | $408.28 - $460.09 | 2 |
| Illinois | $440.79 | $440.79 | $417.78 - $465.96 | 4 |
| Michigan | $428.31 | $428.31 | $416.91 - $439.7 | 2 |
| North Carolina | $424.26 | $424.26 | $424.26 - $424.26 | 1 |
| New York | $503.44 | $503.44 | $431.48 - $535.6 | 5 |
| Ohio | $416.67 | $416.67 | $416.67 - $416.67 | 1 |
| Pennsylvania | $444.82 | $444.82 | $418.62 - $471.01 | 2 |
| Texas | $446.5 | $446.5 | $415.26 - $476.93 | 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 77285
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 77285 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 |
| 16010 | Column 1 (primary), can be billed with modifier | Yes | Standards of medical/surgical practice |
Frequently Asked Questions, CPT 77285
What does CPT code 77285 mean? +
CPT code 77285 represents: Ther rad simulaj field intrm. It's in the Radiology category with a global period of XXX.
What is the Medicare reimbursement for CPT 77285? +
The 2026 Medicare national average non-facility payment for CPT 77285 is $471.51. Rates range from $393.17 to $639.98 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 77285? +
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 77285? +
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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