E0721 Trans elec stim auricularTranscutaneous electrical nerve stimulator for nerves in the auricular region
15 of 15 payer prior-auth lists that name E0721 require prior authorization or set conditions: CarePlus Health Plans, Cigna, Humana.
E0721 appears in 19 coverage policies from Aetna, Anthem, Blue Cross & Blue Shield of Mississippi, Blue Cross & Blue Shield of Rhode Island, Blue Cross Blue Shield of Massachusetts, BlueCross BlueShield of South Carolina, Cigna, Premera Blue Cross, Regence, UnitedHealthcare.
| Payer | Policy | Role in policy | Reviewed | Document |
|---|---|---|---|---|
| Aetna | Electrical Stimulation for Nausea, Vomiting, Motion Sickness and Other Selected Indications (0676) | not covered | Oct 7, 2026 | payer document |
| Anthem | Percutaneous Electrical Nerve Field Stimulation (PENFS) (CG-MED-104) | not covered | Nov 6, 2025 | payer document |
| Blue Cross & Blue Shield of Mississippi | Cranial Electrotherapy Stimulation Ces And Auricular Electrostimulation | unproven / investigational | payer document | |
| Blue Cross & Blue Shield of Rhode Island | Cranial Electrotherapy Stimulation and Auricular Electrostimulation | not covered | May 6, 2026 | payer document |
| Blue Cross Blue Shield of Massachusetts | Cranial Electrotherapy Stimulation and Auricular Electrostimulation (362) | unproven / investigational | payer document | |
| BlueCross BlueShield of South Carolina | Transcutaneous Electrical Nerve Stimulation and Transcutaneous Afferent Patterned Stimulation (CAM 10109) | listed, no stance (range E0720-E0731) | Feb 1, 2026 | payer document |
| Cigna | Electrical Stimulation Therapy and Devices in a Home Setting (0160) | unproven / investigational | Sep 15, 2026 | payer document |
| Premera Blue Cross | Cranial Electrotherapy Stimulation and Auricular Electrostimulation (8.01.540) | listed, no stance | Jun 8, 2026 | payer document |
| Regence | Auricular Electrostimulation (Medicine 146) | listed, no stance | Apr 1, 2026 | payer document |
| UnitedHealthcare | Electrical Stimulation for the Treatment of Pain and Muscle Rehabilitation (2026T0126UU) | listed, no stance | Mar 1, 2026 | payer document |
| UnitedHealthcare | Electrical Stimulation for the Treatment of Pain and Muscle Rehabilitation (CS036.Y) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Electrical Stimulation for the Treatment of Pain and Muscle Rehabilitation (for Idaho Only) (CS036ID.D) | listed, no stance | Jun 1, 2026 | payer document |
| UnitedHealthcare | Electrical Stimulation for the Treatment of Pain and Muscle Rehabilitation (for Kansas Only) (CS036KS.02) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Electrical Stimulation for the Treatment of Pain and Muscle Rehabilitation (for Kentucky Only) (CS036KY.12) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Electrical Stimulation for the Treatment of Pain and Muscle Rehabilitation (for Nebraska Only) (CS036NE.U) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Electrical Stimulation for the Treatment of Pain and Muscle Rehabilitation (for New Mexico Only) (CS036NM.D) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Electrical Stimulation for the Treatment of Pain and Muscle Rehabilitation (for Ohio Only) (CS036OH.F) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Electrical Stimulation for the Treatment of Pain and Muscle Rehabilitation (for Pennsylvania Only) (CS036PA.W) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Electrical Stimulation for the Treatment of Pain and Muscle Rehabilitation (for Tennessee Only) (CS036TN.Y) | listed, no stance | May 1, 2026 | payer document |
Prior authorization required or conditional in CO, IN, MS, OH, VT.
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.