MRI and CT Scans of the Head and Neck
JE · Effective Oct 8, 2018
4 active Medicare policies list 70491, and 18 commercial payer policies list it. See each policy's status for the code and its official source. Listing a code is not a coverage decision: read each policy’s source for the requirements that apply.
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JE · Effective Oct 8, 2018
JF · Effective Oct 8, 2018
National · Effective Aug 6, 2026
National · Effective Oct 1, 2026
18 policies from 12 payers
Summary of the payer’s published policy. Not a coverage determination — confirm with the payer before submitting.
| Policy | Effective | Status of 70491 |
|---|---|---|
| Imaging of the Head and Neck | Apr 4, 2026 | Covered |
| Imaging of the Head and Neck [for Amerigroup Georgia Medicaid] | Apr 14, 2024 | Covered |
| Oncologic Imaging | Apr 4, 2026 | Covered |
| Oncologic Imaging [for Amerigroup Georgia Medicaid] | Nov 15, 2025 | Covered |
| Site of Care for Advanced Imaging |
| Nov 17, 2024 |
| Covered |
| Policy | Effective | Status of 70491 |
|---|---|---|
| Cigna Commercial Radiology Code List | Mar 7, 2026 | Prior auth required |
| Cigna Comprehensive Code List | Mar 7, 2026 | Prior auth required |
| Policy | Effective | Status of 70491 |
|---|---|---|
| Cigna Commercial & Medicare Cardiology & Radiology Code List | Jan 1, 2026 | Prior auth required |
| Cigna OBM Radiology Code List | Jan 1, 2026 | Prior auth required |
| Policy | Effective | Status of 70491 |
|---|---|---|
| Aetna Cardiology and Radiology Code List | Jan 1, 2026 | Prior auth required |
| Policy | Effective | Status of 70491 |
|---|---|---|
| GHI/Emblem Non-City of New York & Medicare Radiology and Cardiology Code List | Jan 1, 2026 | Prior auth required |
| Policy | Effective | Status of 70491 |
|---|---|---|
| EOCCO Cardiology & Radiology Code List | Jan 1, 2026 | Prior auth required |
| Policy | Effective | Status of 70491 |
|---|---|---|
| Peripheral Nerve Disorders (PND) Imaging Guidelines | Feb 1, 2024 | Covered with conditions |
| Policy | Effective | Status of 70491 |
|---|---|---|
| Health Alliance Plan Radiology Code List | Aug 1, 2026 | Prior auth required |
| Policy | Effective | Status of 70491 |
|---|---|---|
| Health Partners Plans Cardiology, Radiology, and Ultrasound Code List | Jul 1, 2025 | Prior auth required |
| Policy | Effective | Status of 70491 |
|---|---|---|
| The Health Plan Cardiology & Radiology Code List | Jan 1, 2026 | Prior auth required |
| Policy | Effective | Status of 70491 |
|---|---|---|
| Magnetic Resonance Imaging (MRI) and Computed Tomography (CT) Scan – Site of Service | Sep 1, 2026 | Covered |
| Policy | Effective | Status of 70491 |
|---|---|---|
| Magnetic Resonance Imaging (MRI) and Computed Tomography (CT) Scan – Site of Service | Sep 1, 2026 | Covered |