E1405 HCPCS code: Oxygen and water vapor enriching system with heated delivery
E1405 is the HCPCS Level II code for oxygen and water vapor enriching system with heated delivery. The 2026 Medicare DMEPOS fee schedule pays $129.15 to $237.92 (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. In 2023, 2 suppliers billed Medicare for E1405 (rentals), serving 0 beneficiaries.
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 | 1988-01-01 |
| Last action effective | 1990-01-01 |
2026 Medicare DMEPOS fee schedule for E1405
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| RR | rental (monthly) | $129.15 | $237.92 | — | — |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | RR | $235.23 | — |
| AL | RR | $137.41 | $217.85 |
| AR | RR | $137.41 | $221.60 |
| AZ | RR | $130.33 | $217.85 |
| CA | RR | $129.15 | $221.60 |
| CO | RR | $136.83 | $221.60 |
| CT | RR | $134.92 | $221.60 |
| DC | RR | $131.69 | $221.60 |
| DE | RR | $131.69 | $221.60 |
| FL | RR | $137.41 | $220.73 |
| GA | RR | $137.41 | $217.85 |
| HI | RR | $237.92 | — |
| IA | RR | $132.22 | $221.60 |
| ID | RR | $136.83 | $217.85 |
| IL | RR | $137.81 | $217.85 |
| IN | RR | $137.81 | $221.60 |
| KS | RR | $132.22 | $217.85 |
| KY | RR | $137.41 | $221.60 |
| LA | RR | $137.41 | $221.60 |
| MA | RR | $134.92 | $217.85 |
| MD | RR | $131.69 | $221.60 |
| ME | RR | $134.92 | $217.85 |
| MI | RR | $137.81 | $217.85 |
| MN | RR | $132.22 | $221.60 |
| MO | RR | $132.22 | $217.85 |
| MS | RR | $137.41 | $217.85 |
| MT | RR | $136.83 | $221.60 |
| NC | RR | $137.41 | $217.85 |
| ND | RR | $132.22 | $217.85 |
| NE | RR | $132.22 | $217.85 |
| NH | RR | $134.92 | $217.85 |
| NJ | RR | $131.69 | $221.60 |
| NM | RR | $130.33 | $218.23 |
| NV | RR | $129.15 | $217.85 |
| NY | RR | $131.69 | $221.60 |
| OH | RR | $137.81 | $221.60 |
| OK | RR | $130.33 | $221.60 |
| OR | RR | $129.15 | $221.60 |
| PA | RR | $131.69 | $221.60 |
| PR | RR | $231.25 | — |
| RI | RR | $134.92 | $221.60 |
| SC | RR | $137.41 | $221.60 |
| SD | RR | $132.22 | $217.85 |
| TN | RR | $137.41 | $219.39 |
| TX | RR | $130.33 | $221.60 |
| UT | RR | $136.83 | $217.85 |
| VA | RR | $137.41 | $221.60 |
| VI | RR | $221.60 | — |
| VT | RR | $134.92 | $217.85 |
| WA | RR | $129.15 | $217.85 |
| WI | RR | $137.81 | $221.60 |
| WV | RR | $137.41 | $221.60 |
| WY | RR | $136.83 | $217.85 |
How the E1405 fee compares
| Measure | Value |
|---|---|
| Rank among 2 E14 codes billed RR (lowest = 1) | 2 |
| Family fee range (average of state fees) | $112.73–$141.72 |
| Rural fee uplift | 55.1% |
Who bills E1405 (2023)
| Measure | Value |
|---|---|
| Suppliers billing rentals | 2 |
| Suppliers billing purchases | — |
| Referring clinicians | 2 |
| Medicare beneficiaries | 0 |
| States with claims | 1 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for E1405, 2023–2023
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2023 | 13 | 0 | $169.67 | $126.93 |
States with the most E1405 services (2023)
| State | Services | Avg. paid |
|---|---|---|
| Indiana | 11 | $128.40 |
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 E1405
- 2026-01-01: Average state fee (RR) rose 2.6%: $138.07 to $141.72
- 1988-01-01: E1405 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 E1405?
E1405 is the HCPCS Level II code for oxygen and water vapor enriching system with heated delivery. Short descriptor: "O2/water vapor enrich w/heat".
How much does Medicare pay for E1405?
Under the 2026 DMEPOS fee schedule, non-rural state fees are RR (rental (monthly)): $129.15–$237.92. Rural fees can be higher.
Does Medicare cover E1405?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
Did the Medicare fee for E1405 change in 2026?
The average non-rural state fee for RR moved from $138.07 in 2025 to $141.72 in 2026 (+2.6%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of E1405 can be billed per day?
1 on DME suppliers (NCCI medically unlikely edits).
Related E14 codes
- E1406 — Oxygen and water vapor enriching system without heated delivery ($100.65–$192.59)
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 E1405
- Watch E1405 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for E1405
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.