CPT 70473
Global XXX ActiveCt cere prfu aly c+wo ct/cta
CPT 70473 Billing & Documentation Guide
CPT code 70473 (Ct cere prfu aly c+wo ct/cta) is classified under Radiology with a global period indicator of XXX. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 1, a non-facility practice expense RVU of 6.13, and a malpractice RVU of 0.09, a total non-facility RVU of 7.22 and facility RVU of 7.22. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $250.34, though rates vary from $210.83 to $333.93 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 70473, 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)
No global period (E/M and other non-procedural services)
MUE Limit (Medically Unlikely Edits)
Submitting more than 1 units of 70473 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 70473
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 1 | 1 |
| Practice Expense RVU | 6.13 | 6.13 |
| Malpractice RVU | 0.09 | 0.09 |
| Total RVU | 7.22 | 7.22 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 70473
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 | $278.5 | $278.5 | $259.98 - $333.93 | 29 |
| Florida | $244.69 | $244.69 | $233.66 - $254.15 | 3 |
| Georgia | $232.38 | $232.38 | $219.62 - $245.13 | 2 |
| Illinois | $237.1 | $237.1 | $225.03 - $249.24 | 4 |
| Michigan | $229.89 | $229.89 | $223.73 - $236.05 | 2 |
| North Carolina | $226.35 | $226.35 | $226.35 - $226.35 | 1 |
| New York | $267.49 | $267.49 | $230.02 - $284.57 | 5 |
| Ohio | $223.37 | $223.37 | $223.37 - $223.37 | 1 |
| Pennsylvania | $237.46 | $237.46 | $224.2 - $250.73 | 2 |
| Texas | $237.95 | $237.95 | $222.51 - $252.75 | 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 70473
What does CPT code 70473 mean? +
CPT code 70473 represents: Ct cere prfu aly c+wo ct/cta. It's in the Radiology category with a global period of XXX.
What is the Medicare reimbursement for CPT 70473? +
The 2026 Medicare national average non-facility payment for CPT 70473 is $250.34. Rates range from $210.83 to $333.93 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 70473? +
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 70473? +
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 June 1, 2026.
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