CPT 77439
Global ZZZ ActiveSurf rad thr img gdn us plmt
CPT 77439 Billing & Documentation Guide
CPT code 77439 (Surf rad thr img gdn us plmt) is classified under Radiology with a global period indicator of ZZZ. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 0.3, a non-facility practice expense RVU of 0.18, and a malpractice RVU of 0, a total non-facility RVU of 0.48 and facility RVU of 0.48. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $16.5, though rates vary from $15.18 to $21.43 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 77439, 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)
Add-on code (global concept does not apply)
MUE Limit (Medically Unlikely Edits)
Submitting more than 1 units of 77439 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 77439
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 0.3 | 0.3 |
| Practice Expense RVU | 0.18 | 0.18 |
| Malpractice RVU | 0 | 0 |
| Total RVU | 0.48 | 0.48 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 77439
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 | $17.49 | $17.49 | $16.78 - $19.79 | 29 |
| Florida | $16.05 | $16.05 | $15.77 - $16.28 | 3 |
| Georgia | $15.77 | $15.77 | $15.38 - $16.16 | 2 |
| Illinois | $15.86 | $15.86 | $15.51 - $16.26 | 4 |
| Michigan | $15.67 | $15.67 | $15.51 - $15.82 | 2 |
| North Carolina | $15.63 | $15.63 | $15.63 - $15.63 | 1 |
| New York | $17.2 | $17.2 | $15.73 - $17.81 | 5 |
| Ohio | $15.51 | $15.51 | $15.51 - $15.51 | 1 |
| Pennsylvania | $16 | $16 | $15.54 - $16.46 | 2 |
| Texas | $15.99 | $15.99 | $15.49 - $16.4 | 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 77439
What does CPT code 77439 mean? +
CPT code 77439 represents: Surf rad thr img gdn us plmt. It's in the Radiology category with a global period of ZZZ.
What is the Medicare reimbursement for CPT 77439? +
The 2026 Medicare national average non-facility payment for CPT 77439 is $16.5. Rates range from $15.18 to $21.43 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 77439? +
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 77439? +
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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