E1390 HCPCS code: Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate
E1390 is the HCPCS Level II code for oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate. The 2026 Medicare DMEPOS fee schedule pays $94.56 to $177.16 (RR, rental (monthly)) depending on the state. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 1 per day on DME suppliers. Medicare volume fell 13% from 2022 to 2024 (6,367,863 to 5,568,430 services). In 2024, 4,192 suppliers billed Medicare for E1390 (rentals), serving 796,326 beneficiaries; California, Texas, Florida accounted for 20% of services. Its average fee ranks 4 of 5 E13 codes billed RR (family range $16.70–$254.65); rural fees run 69% higher.
Code details
| Field | Value |
|---|---|
| Section | E codes — Durable medical equipment |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 33 — DMEPOS: oxygen and oxygen equipment |
| BETOS category | D1C — Oxygen and supplies |
| Added | 2000-01-01 |
| Last action effective | 2004-01-01 |
2026 Medicare DMEPOS fee schedule for E1390
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| RR | rental (monthly) | $94.56 | $177.16 | — | — |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | RR | $177.16 | — |
| AL | RR | $100.21 | $177.16 |
| AR | RR | $100.21 | $177.16 |
| AZ | RR | $98.16 | $177.16 |
| CA | RR | $94.56 | $177.16 |
| CO | RR | $101.12 | $177.16 |
| CT | RR | $99.53 | $177.16 |
| DC | RR | $96.39 | $177.16 |
| DE | RR | $96.39 | $177.16 |
| FL | RR | $100.21 | $177.16 |
| GA | RR | $100.21 | $177.16 |
| HI | RR | $177.16 | — |
| IA | RR | $100.16 | $177.16 |
| ID | RR | $101.12 | $177.16 |
| IL | RR | $99.31 | $177.16 |
| IN | RR | $99.31 | $177.16 |
| KS | RR | $100.16 | $177.16 |
| KY | RR | $100.21 | $177.16 |
| LA | RR | $100.21 | $177.16 |
| MA | RR | $99.53 | $177.16 |
| MD | RR | $96.39 | $177.16 |
| ME | RR | $99.53 | $177.16 |
| MI | RR | $99.31 | $177.16 |
| MN | RR | $100.16 | $177.16 |
| MO | RR | $100.16 | $177.16 |
| MS | RR | $100.21 | $177.16 |
| MT | RR | $101.12 | $177.16 |
| NC | RR | $100.21 | $177.16 |
| ND | RR | $100.16 | $177.16 |
| NE | RR | $100.16 | $177.16 |
| NH | RR | $99.53 | $177.16 |
| NJ | RR | $96.39 | $177.16 |
| NM | RR | $98.16 | $177.16 |
| NV | RR | $94.56 | $177.16 |
| NY | RR | $96.39 | $177.16 |
| OH | RR | $99.31 | $177.16 |
| OK | RR | $98.16 | $177.16 |
| OR | RR | $94.56 | $177.16 |
| PA | RR | $96.39 | $177.16 |
| PR | RR | $177.16 | — |
| RI | RR | $99.53 | $177.16 |
| SC | RR | $100.21 | $177.16 |
| SD | RR | $100.16 | $177.16 |
| TN | RR | $100.21 | $177.16 |
| TX | RR | $98.16 | $177.16 |
| UT | RR | $101.12 | $177.16 |
| VA | RR | $100.21 | $177.16 |
| VI | RR | $177.16 | — |
| VT | RR | $99.53 | $177.16 |
| WA | RR | $94.56 | $177.16 |
| WI | RR | $99.31 | $177.16 |
| WV | RR | $100.21 | $177.16 |
| WY | RR | $101.12 | $177.16 |
How the E1390 fee compares
| Measure | Value |
|---|---|
| Rank among 5 E13 codes billed RR (lowest = 1) | 4 |
| Family fee range (average of state fees) | $16.70–$254.65 |
| Rural fee uplift | 68.9% |
Who bills E1390 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | 4,192 |
| Suppliers billing purchases | 1,851 |
| Referring clinicians | 207,950 |
| Medicare beneficiaries | 796,326 |
| States with claims | 58 |
| Share of services in top 3 states (California, Texas, Florida) | 20% |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 4,304 | 934,330 |
| 2023 | 4,254 | 862,560 |
| 2024 | 4,192 | 796,326 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for E1390, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 6,367,863 | 934,330 | $111.95 | $82.89 |
| 2023 | 6,092,383 | 862,560 | $120.48 | $88.93 |
| 2024 | 5,568,430 | 796,326 | $115.64 | $85.03 |
States with the most E1390 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| California | 423,949 | $74.18 |
| Texas | 351,289 | $81.79 |
| Florida | 327,198 | $76.29 |
| Colorado | 248,158 | $85.85 |
| New York | 234,763 | $77.71 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 1 | Code Descriptor / CPT Instruction |
Medicare policy articles for this code
- A52514: Oxygen and Oxygen Equipment - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance
What changed for E1390
- 2026-01-01: Average state fee (RR) rose 2.6%: $102.23 to $104.92
- 2000-01-01: E1390 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 E1390?
E1390 is the HCPCS Level II code for oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate. Short descriptor: "Oxygen concentrator".
How much does Medicare pay for E1390?
Under the 2026 DMEPOS fee schedule, non-rural state fees are RR (rental (monthly)): $94.56–$177.16. Rural fees can be higher.
Does Medicare cover E1390?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
Did the Medicare fee for E1390 change in 2026?
The average non-rural state fee for RR moved from $102.23 in 2025 to $104.92 in 2026 (+2.6%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of E1390 can be billed per day?
1 on DME suppliers (NCCI medically unlikely edits).
Related E13 codes
- E1300 — Whirlpool, portable (overtub type)
- E1301 — Whirlpool tub, walk-in, portable
- E1310 — Whirlpool, non-portable (built-in type) ($222.47–$3,627.06)
- E1352 — Oxygen accessory, flow regulator capable of positive inspiratory pressure
- E1353 — Regulator ($40.36–$48.46)
- E1354 — Oxygen accessory, wheeled cart for portable cylinder or portable concentrator, any type, replacement only, each
- E1355 — Stand/rack ($30.42–$36.51)
- E1356 — Oxygen accessory, battery pack/cartridge for portable concentrator, any type, replacement only, each
- E1357 — Oxygen accessory, battery charger for portable concentrator, any type, replacement only, each
- E1358 — Oxygen accessory, dc power adapter for portable concentrator, any type, replacement only, each
- E1372 — Immersion external heater for nebulizer ($13.66–$208.94)
- E1391 — Oxygen concentrator, dual delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate, each ($94.56–$177.16)
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 E1390
- Watch E1390 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for E1390
Sources: CMS HCPCS Level II release October 2026; 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.