CPT 70320
Global XXX ActiveFull mouth x-ray of teeth
CPT 70320 Billing & Documentation Guide
CPT code 70320 (Full mouth x-ray of teeth) is classified under Radiology with a global period indicator of XXX. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 0.21, a non-facility practice expense RVU of 1.46, and a malpractice RVU of 0.03, a total non-facility RVU of 1.7 and facility RVU of 1.7. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $58.91, though rates vary from $49.42 to $78.64 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 70320, 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 70320 with related codes; this code has 6 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 70320 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 70320
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 0.21 | 0.21 |
| Practice Expense RVU | 1.46 | 1.46 |
| Malpractice RVU | 0.03 | 0.03 |
| Total RVU | 1.7 | 1.7 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 70320
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 | $65.51 | $65.51 | $61.12 - $78.64 | 29 |
| Florida | $57.89 | $57.89 | $55.14 - $60.31 | 3 |
| Georgia | $54.75 | $54.75 | $51.71 - $57.78 | 2 |
| Illinois | $56.07 | $56.07 | $53.1 - $58.92 | 4 |
| Michigan | $54.22 | $54.22 | $52.67 - $55.76 | 2 |
| North Carolina | $53.15 | $53.15 | $53.15 - $53.15 | 1 |
| New York | $63.11 | $63.11 | $54.05 - $67.31 | 5 |
| Ohio | $52.55 | $52.55 | $52.55 - $52.55 | 1 |
| Pennsylvania | $55.92 | $55.92 | $52.73 - $59.1 | 2 |
| Texas | $55.99 | $55.99 | $52.32 - $59.51 | 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 70320
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 70320 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 36591 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 36592 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 70300 | Column 1 (primary), can be billed with modifier | Yes | HCPCS/CPT procedure code definition |
| 70310 | Column 1 (primary), can be billed with modifier | Yes | HCPCS/CPT procedure code definition |
| 96523 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 70355 | Column 2 (secondary), bundled into primary | No | More extensive procedure |
Frequently Asked Questions, CPT 70320
What does CPT code 70320 mean? +
CPT code 70320 represents: Full mouth x-ray of teeth. It's in the Radiology category with a global period of XXX.
What is the Medicare reimbursement for CPT 70320? +
The 2026 Medicare national average non-facility payment for CPT 70320 is $58.91. Rates range from $49.42 to $78.64 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 70320? +
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 70320? +
This code has 6 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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