CPT 77332
Global XXX ActiveRadiation treatment aid(s)
CPT 77332 Billing & Documentation Guide
CPT code 77332 (Radiation treatment aid(s)) is classified under Radiology with a global period indicator of XXX. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 0.44, a non-facility practice expense RVU of 0.75, and a malpractice RVU of 0.03, a total non-facility RVU of 1.22 and facility RVU of 1.22. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $42, though rates vary from $36.73 to $52.97 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 77332, 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 77332 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 4 units of 77332 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 77332
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 0.44 | 0.44 |
| Practice Expense RVU | 0.75 | 0.75 |
| Malpractice RVU | 0.03 | 0.03 |
| Total RVU | 1.22 | 1.22 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 77332
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 | $45.41 | $45.41 | $42.94 - $52.97 | 29 |
| Florida | $41.78 | $41.78 | $40.15 - $43.31 | 3 |
| Georgia | $39.82 | $39.82 | $38.24 - $41.4 | 2 |
| Illinois | $40.86 | $40.86 | $39.13 - $42.3 | 4 |
| Michigan | $39.63 | $39.63 | $38.7 - $40.56 | 2 |
| North Carolina | $38.71 | $38.71 | $38.71 - $38.71 | 1 |
| New York | $44.7 | $44.7 | $39.2 - $47.28 | 5 |
| Ohio | $38.58 | $38.58 | $38.58 - $38.58 | 1 |
| Pennsylvania | $40.44 | $40.44 | $38.64 - $42.23 | 2 |
| Texas | $40.37 | $40.37 | $38.42 - $42.12 | 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 77332
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 77332 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 |
| 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 |
| 16015 | Column 1 (primary), can be billed with modifier | Yes | Standards of medical/surgical practice |
Frequently Asked Questions, CPT 77332
What does CPT code 77332 mean? +
CPT code 77332 represents: Radiation treatment aid(s). It's in the Radiology category with a global period of XXX.
What is the Medicare reimbursement for CPT 77332? +
The 2026 Medicare national average non-facility payment for CPT 77332 is $42. Rates range from $36.73 to $52.97 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 77332? +
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 77332? +
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 April 17, 2026.
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