E1391 HCPCS code: Oxygen concentrator, dual delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate, each
E1391 is the HCPCS Level II code for oxygen concentrator, dual delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate, each. 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. Its average fee ranks 3 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 | 2004-01-01 |
| Last action effective | 2004-01-01 |
2026 Medicare DMEPOS fee schedule for E1391
| 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 E1391 fee compares
| Measure | Value |
|---|---|
| Rank among 5 E13 codes billed RR (lowest = 1) | 3 |
| Family fee range (average of state fees) | $16.70–$254.65 |
| Rural fee uplift | 68.9% |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 1 | Code Descriptor / CPT Instruction |
What changed for E1391
- 2026-01-01: Average state fee (RR) rose 2.6%: $102.23 to $104.92
- 2004-01-01: E1391 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 E1391?
E1391 is the HCPCS Level II code for oxygen concentrator, dual delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate, each. Short descriptor: "Oxygen concentrator, dual".
How much does Medicare pay for E1391?
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 E1391?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
Did the Medicare fee for E1391 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 E1391 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)
- E1390 — Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate ($94.56–$177.16)
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Next steps
- Run a reimbursement report for a device billed under E1391
- Watch E1391 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for E1391
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.