E2120 HCPCS code: Pulse generator system for tympanic treatment of inner ear endolymphatic fluid
E2120 is the HCPCS Level II code for pulse generator system for tympanic treatment of inner ear endolymphatic fluid. The 2026 Medicare DMEPOS fee schedule pays $404.05 to $484.90 (RR, rental (monthly)) depending on the state. 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. Medicare volume fell 65% from 2022 to 2024 (124 to 43 services). In 2024, 1 suppliers billed Medicare for E2120 (rentals), serving 0 beneficiaries. Its average fee ranks 6 of 6 E21 codes billed RR (family range $5.47–$405.58).
Code details
| Field | Value |
|---|---|
| Section | E codes — Durable medical equipment |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 36 — DMEPOS: capped rental item |
| BETOS category | D1E — Other durable medical equipment |
| Added | 2004-01-01 |
| Last action effective | 2004-01-01 |
2026 Medicare DMEPOS fee schedule for E2120
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| RR | rental (monthly) | $404.05 | $484.90 | $404.05 | $343.44 |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | RR | $404.05 | — |
| AL | RR | $404.05 | — |
| AR | RR | $404.05 | — |
| AZ | RR | $404.05 | — |
| CA | RR | $404.05 | — |
| CO | RR | $404.05 | — |
| CT | RR | $404.05 | — |
| DC | RR | $404.05 | — |
| DE | RR | $404.05 | — |
| FL | RR | $404.05 | — |
| GA | RR | $404.05 | — |
| HI | RR | $404.05 | — |
| IA | RR | $404.05 | — |
| ID | RR | $404.05 | — |
| IL | RR | $404.05 | — |
| IN | RR | $404.05 | — |
| KS | RR | $404.05 | — |
| KY | RR | $404.05 | — |
| LA | RR | $404.05 | — |
| MA | RR | $404.05 | — |
| MD | RR | $404.05 | — |
| ME | RR | $404.05 | — |
| MI | RR | $404.05 | — |
| MN | RR | $404.05 | — |
| MO | RR | $404.05 | — |
| MS | RR | $404.05 | — |
| MT | RR | $404.05 | — |
| NC | RR | $404.05 | — |
| ND | RR | $404.05 | — |
| NE | RR | $404.05 | — |
| NH | RR | $404.05 | — |
| NJ | RR | $404.05 | — |
| NM | RR | $404.05 | — |
| NV | RR | $404.05 | — |
| NY | RR | $404.05 | — |
| OH | RR | $404.05 | — |
| OK | RR | $404.05 | — |
| OR | RR | $404.05 | — |
| PA | RR | $404.05 | — |
| PR | RR | $484.90 | — |
| RI | RR | $404.05 | — |
| SC | RR | $404.05 | — |
| SD | RR | $404.05 | — |
| TN | RR | $404.05 | — |
| TX | RR | $404.05 | — |
| UT | RR | $404.05 | — |
| VA | RR | $404.05 | — |
| VI | RR | $404.05 | — |
| VT | RR | $404.05 | — |
| WA | RR | $404.05 | — |
| WI | RR | $404.05 | — |
| WV | RR | $404.05 | — |
| WY | RR | $404.05 | — |
How the E2120 fee compares
| Measure | Value |
|---|---|
| Rank among 6 E21 codes billed RR (lowest = 1) | 6 |
| Family fee range (average of state fees) | $5.47–$405.58 |
| Rural fee uplift | — |
Who bills E2120 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | 1 |
| Suppliers billing purchases | — |
| Referring clinicians | 7 |
| Medicare beneficiaries | 0 |
| States with claims | 1 |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 1 | 21 |
| 2023 | 1 | 18 |
| 2024 | 1 | 0 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for E2120, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 124 | 21 | $278.19 | $212.10 |
| 2023 | 119 | 18 | $301.03 | $233.58 |
| 2024 | 43 | 0 | $290.14 | $224.49 |
States with the most E2120 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| North Carolina | 14 | $227.47 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 1 | Code Descriptor / CPT Instruction |
What changed for E2120
- 2026-01-01: Average state fee (RR) rose 2.0%: $397.63 to $405.58
- 2004-01-01: E2120 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 E2120?
E2120 is the HCPCS Level II code for pulse generator system for tympanic treatment of inner ear endolymphatic fluid. Short descriptor: "Pulse gen sys tx endolymp fl".
How much does Medicare pay for E2120?
Under the 2026 DMEPOS fee schedule, non-rural state fees are RR (rental (monthly)): $404.05–$484.90. Rural fees can be higher.
Does Medicare cover E2120?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Did the Medicare fee for E2120 change in 2026?
The average non-rural state fee for RR moved from $397.63 in 2025 to $405.58 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of E2120 can be billed per day?
1 on DME suppliers (NCCI medically unlikely edits).
Related E21 codes
- E2100 — Blood glucose monitor with integrated voice synthesizer ($76.49–$1,084.76)
- E2101 — Blood glucose monitor with integrated lancing/blood sample ($26.88–$322.42)
- E2102 — Adjunctive, non-implanted continuous glucose monitor or receiver ($18.92–$239.22)
- E2103 — Non-adjunctive, non-implanted continuous glucose monitor or receiver ($25.61–$334.44)
- E2104 — Home blood glucose monitor for use with integrated lancing/blood sample testing cartridge ($5.47–$54.52)
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under E2120
- Watch E2120 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for E2120
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule 2026; 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.