CPT 70450
Global XXX ActiveCt head/brain w/o dye
CPT 70450 Billing & Documentation Guide
CPT code 70450 (Ct head/brain w/o dye) is classified under Radiology with a global period indicator of XXX. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 0.83, a non-facility practice expense RVU of 2.3, and a malpractice RVU of 0.06, a total non-facility RVU of 3.19 and facility RVU of 3.19. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $110.18, though rates vary from $94.74 to $142.62 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 70450, 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 70450 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 3 units of 70450 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 70450
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 0.83 | 0.83 |
| Practice Expense RVU | 2.3 | 2.3 |
| Malpractice RVU | 0.06 | 0.06 |
| Total RVU | 3.19 | 3.19 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 70450
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 | $120.71 | $120.71 | $113.47 - $142.62 | 29 |
| Florida | $108.7 | $108.7 | $104.18 - $112.76 | 3 |
| Georgia | $103.45 | $103.45 | $98.64 - $108.26 | 2 |
| Illinois | $105.88 | $105.88 | $100.99 - $110.36 | 4 |
| Michigan | $102.68 | $102.68 | $100.12 - $105.23 | 2 |
| North Carolina | $100.68 | $100.68 | $100.68 - $100.68 | 1 |
| New York | $117.46 | $117.46 | $102.11 - $124.56 | 5 |
| Ohio | $99.88 | $99.88 | $99.88 - $99.88 | 1 |
| Pennsylvania | $105.36 | $105.36 | $100.14 - $110.58 | 2 |
| Texas | $105.37 | $105.37 | $99.49 - $110.83 | 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 70450
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 70450 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 01922 | Column 1 (primary), can be billed with modifier | No | Anesthesia service included in surgical procedure |
| 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 |
| 70480 | Column 1 (primary), can be billed with modifier | Yes | Mutually exclusive procedures |
| 70481 | Column 1 (primary), can be billed with modifier | Yes | Mutually exclusive procedures |
| 70482 | Column 1 (primary), can be billed with modifier | Yes | Mutually exclusive procedures |
| 70486 | Column 1 (primary), can be billed with modifier | 9 | Mutually exclusive procedures |
| 70487 | Column 1 (primary), can be billed with modifier | 9 | Mutually exclusive procedures |
| 70488 | Column 1 (primary), can be billed with modifier | 9 | Mutually exclusive procedures |
| 76350 | Column 1 (primary), can be billed with modifier | No | Misuse of Column Two code with Column One code |
Frequently Asked Questions, CPT 70450
What does CPT code 70450 mean? +
CPT code 70450 represents: Ct head/brain w/o dye. It's in the Radiology category with a global period of XXX.
What is the Medicare reimbursement for CPT 70450? +
The 2026 Medicare national average non-facility payment for CPT 70450 is $110.18. Rates range from $94.74 to $142.62 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 70450? +
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 70450? +
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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