64656 CPT® code: payer coverage and prior authorization12 of 12 payer prior-auth lists that name 64656 require prior authorization or set conditions: CarePlus Health Plans, Humana, UnitedHealthcare.
64656 appears in 13 coverage policies from Aetna, Anthem, Blue Cross & Blue Shield of Mississippi, Blue Cross & Blue Shield of Rhode Island, Blue Cross Blue Shield of Massachusetts, Blue Cross NC, Blue Shield of California, Regence, UnitedHealthcare.
| Payer | Policy | Role in policy | Reviewed | Document |
|---|---|---|---|---|
| Aetna | Carotid Sinus Stimulation for Hypertension and Heart Failure (0820) | not covered | Apr 7, 2026 | payer document |
| Aetna | Intraoperative Neurophysiological Monitoring (0697) | not covered (range 64650-64681) | Jun 19, 2026 | payer document |
| Aetna | Intravenous Iron Therapy (0575) | listed, no stance (range 61000-64999) | Jul 1, 2026 | payer document |
| Aetna | Respiratory Devices: Incentive Spirometers, Vaporizers and Intermittent Positive Pressure Breathing Machines (0479) | listed, no stance (range 61000-64999) | Jul 9, 2026 | payer document |
| Aetna | Thermal Perfusion Probe for Monitoring Regional Cerebral Blood Flow (0703) | listed, no stance (range 61000-64999) | Nov 24, 2025 | payer document |
| Anthem | Carotid Sinus Baroreceptor Stimulation Devices (SURG.00124) | unproven / investigational | Feb 19, 2026 | payer document |
| Blue Cross & Blue Shield of Mississippi | Baroreflex Stimulation Devices | unproven / investigational | payer document | |
| Blue Cross & Blue Shield of Rhode Island | Baroreflex Stimulation Devices MEDICAL COVERAGE POLICY | 2 | not covered | Sep 2, 2026 | payer document |
| Blue Cross Blue Shield of Massachusetts | Baroreflex Stimulation Device (595) | unproven / investigational | payer document | |
| Blue Cross NC | Baroreflex Stimulation Devices | listed, no stance | Oct 1, 2025 | payer document |
| Blue Shield of California | | Baroreflex Stimulation Devices (8.01.57) | listed, no stance | payer document | |
| Regence | Baroreflex Stimulation Devices (Surgery 183) | listed, no stance | Dec 1, 2025 | payer document |
| UnitedHealthcare | Omnibus Codes (MMP107.09) performed) | Policy titled | listed, no stance | Jun 1, 2026 | payer document |
Prior authorization required or conditional in IN.
From payers' published prior-auth lists, coverage policies and state Medicaid fee schedules, updated Oct 16, 2026. The role is what the policy's own code table or text says about the code. Not a guarantee of coverage or payment; verify with the payer. CPT® is a registered trademark of the American Medical Association.