E0721 HCPCS code: Transcutaneous electrical nerve stimulator for nerves in the auricular region
E0721 is the HCPCS Level II code for transcutaneous electrical nerve stimulator for nerves in the auricular region. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 1 per day on DME suppliers.
Code details
| Field | Value |
|---|---|
| Section | E codes — Durable medical equipment |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 46 — Priced by the Medicare contractor (no national fee) |
| BETOS category | D1E — Other durable medical equipment |
| Added | 2024-10-01 |
| Last action effective | 2024-10-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 1 | Code Descriptor / CPT Instruction |
What changed for E0721
- 2024-10-01: E0721 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code E0721?
E0721 is the HCPCS Level II code for transcutaneous electrical nerve stimulator for nerves in the auricular region. Short descriptor: "Trans elec stim auricular".
Does Medicare cover E0721?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of E0721 can be billed per day?
1 on DME suppliers (NCCI medically unlikely edits).
Related E07 codes
- E0700 — Safety equipment, device or accessory, any type
- E0705 — Transfer device, any type, each ($5.34–$134.77)
- E0710 — Restraints, any type (body, chest, wrist or ankle)
- E0711 — Upper extremity medical tubing/lines enclosure or covering device, restricts elbow range of motion
- E0715 — Intravaginal device intended to strengthen pelvic floor muscles during kegel exercises
- E0716 — Supplies and accessories for intravaginal device intended to strengthen pelvic floor muscles during kegel exercises
- E0720 — Transcutaneous electrical nerve stimulation (TENS) device, two lead, localized stimulation ($66.89–$393.27)
- E0730 — Transcutaneous electrical nerve stimulation (TENS) device, four or more leads, for multiple nerve stimulation ($68.53–$425.83)
- E0731 — Form fitting conductive garment for delivery of tens or nmes (with conductive fibers separated from the patient's skin by layers of fabric) ($87.58–$480.99)
- E0732 — Cranial electrotherapy stimulation (ces) system, any type ($31.06–$69.51)
- E0733 — Transcutaneous electrical nerve stimulator for electrical stimulation of the trigeminal nerve ($31.06–$69.51)
- E0734 — External upper limb tremor stimulator of the peripheral nerves of the wrist ($448.33–$448.33)
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Next steps
- Run a reimbursement report for a device billed under E0721
- Watch E0721 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for E0721
Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.