E0561 HCPCS code: Humidifier, non-heated, used with positive airway pressure device
E0561 is the HCPCS Level II code for humidifier, non-heated, used with positive airway pressure device. The 2026 Medicare DMEPOS fee schedule pays $84.58 to $128.48 (NU, new equipment, purchased) 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 70% from 2022 to 2024 (228 to 69 services). In 2024, 13 suppliers billed Medicare for E0561 (rentals), serving 15 beneficiaries. Its average fee ranks 1 of 4 E05 codes billed NU (family range $92.47–$198.77); rural fees run 25% higher.
Code details
| Field | Value |
|---|---|
| Section | E codes — Durable medical equipment |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 32 — DMEPOS: inexpensive or routinely purchased item |
| BETOS category | D1E — Other durable medical equipment |
| Added | 2004-01-01 |
| Last action effective | 2004-01-01 |
2026 Medicare DMEPOS fee schedule for E0561
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| NU | new equipment, purchased | $84.58 | $128.48 | — | — |
| RR | rental (monthly) | $8.46 | $12.85 | — | — |
| UE | used equipment, purchased | $63.44 | $96.35 | — | — |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | NU | $115.91 | — |
| AL | NU | $92.23 | $115.59 |
| AR | NU | $92.23 | $115.59 |
| AZ | NU | $85.78 | $115.59 |
| CA | NU | $94.31 | $115.59 |
| CO | NU | $84.58 | $115.59 |
| CT | NU | $92.52 | $115.59 |
| DC | NU | $87.53 | $115.59 |
| DE | NU | $87.53 | $115.59 |
| FL | NU | $92.23 | $115.59 |
| GA | NU | $92.23 | $115.59 |
| HI | NU | $120.54 | — |
| IA | NU | $87.06 | $115.59 |
| ID | NU | $84.58 | $115.59 |
| IL | NU | $96.13 | $115.59 |
| IN | NU | $96.13 | $115.59 |
| KS | NU | $87.06 | $115.59 |
| KY | NU | $92.23 | $115.59 |
| LA | NU | $92.23 | $115.59 |
| MA | NU | $92.52 | $115.59 |
| MD | NU | $87.53 | $115.59 |
| ME | NU | $92.52 | $115.59 |
| MI | NU | $96.13 | $115.59 |
| MN | NU | $87.06 | $115.59 |
| MO | NU | $87.06 | $115.59 |
| MS | NU | $92.23 | $115.59 |
| MT | NU | $84.58 | $115.59 |
| NC | NU | $92.23 | $115.59 |
| ND | NU | $87.06 | $115.59 |
| NE | NU | $87.06 | $115.59 |
| NH | NU | $92.52 | $115.59 |
| NJ | NU | $87.53 | $115.59 |
| NM | NU | $85.78 | $115.59 |
| NV | NU | $94.31 | $115.59 |
| NY | NU | $87.53 | $115.59 |
| OH | NU | $96.13 | $115.59 |
| OK | NU | $85.78 | $115.59 |
| OR | NU | $94.31 | $115.59 |
| PA | NU | $87.53 | $115.59 |
| PR | NU | $128.48 | — |
| RI | NU | $92.52 | $115.59 |
| SC | NU | $92.23 | $115.59 |
| SD | NU | $87.06 | $115.59 |
| TN | NU | $92.23 | $115.59 |
| TX | NU | $85.78 | $115.59 |
| UT | NU | $84.58 | $115.59 |
| VA | NU | $92.23 | $115.59 |
| VI | NU | $115.33 | — |
| VT | NU | $92.52 | $115.59 |
| WA | NU | $94.31 | $115.59 |
| WI | NU | $96.13 | $115.59 |
| WV | NU | $92.23 | $115.59 |
| WY | NU | $84.58 | $115.59 |
| AK | RR | $11.59 | — |
| AL | RR | $9.22 | $11.55 |
| AR | RR | $9.22 | $11.55 |
| AZ | RR | $8.58 | $11.55 |
| CA | RR | $9.43 | $11.55 |
| CO | RR | $8.46 | $11.55 |
| CT | RR | $9.25 | $11.55 |
| DC | RR | $8.75 | $11.55 |
| DE | RR | $8.75 | $11.55 |
| FL | RR | $9.22 | $11.55 |
| GA | RR | $9.22 | $11.55 |
| HI | RR | $12.06 | — |
| IA | RR | $8.71 | $11.55 |
| ID | RR | $8.46 | $11.55 |
| IL | RR | $9.61 | $11.55 |
| IN | RR | $9.61 | $11.55 |
| KS | RR | $8.71 | $11.55 |
| KY | RR | $9.22 | $11.55 |
| LA | RR | $9.22 | $11.55 |
| MA | RR | $9.25 | $11.55 |
| MD | RR | $8.75 | $11.55 |
| ME | RR | $9.25 | $11.55 |
| MI | RR | $9.61 | $11.55 |
| MN | RR | $8.71 | $11.55 |
| MO | RR | $8.71 | $11.55 |
| MS | RR | $9.22 | $11.55 |
| MT | RR | $8.46 | $11.55 |
| NC | RR | $9.22 | $11.55 |
| ND | RR | $8.71 | $11.55 |
| NE | RR | $8.71 | $11.55 |
| NH | RR | $9.25 | $11.55 |
| NJ | RR | $8.75 | $11.55 |
| NM | RR | $8.58 | $11.55 |
| NV | RR | $9.43 | $11.55 |
| NY | RR | $8.75 | $11.55 |
| OH | RR | $9.61 | $11.55 |
| OK | RR | $8.58 | $11.55 |
| OR | RR | $9.43 | $11.55 |
| PA | RR | $8.75 | $11.55 |
| PR | RR | $12.85 | — |
| RI | RR | $9.25 | $11.55 |
| SC | RR | $9.22 | $11.55 |
| SD | RR | $8.71 | $11.55 |
| TN | RR | $9.22 | $11.55 |
| TX | RR | $8.58 | $11.55 |
| UT | RR | $8.46 | $11.55 |
| VA | RR | $9.22 | $11.55 |
| VI | RR | $11.52 | — |
| VT | RR | $9.25 | $11.55 |
| WA | RR | $9.43 | $11.55 |
| WI | RR | $9.61 | $11.55 |
| WV | RR | $9.22 | $11.55 |
| WY | RR | $8.46 | $11.55 |
| AK | UE | $87.80 | — |
| AL | UE | $69.17 | $86.69 |
| AR | UE | $69.17 | $86.69 |
| AZ | UE | $64.34 | $86.69 |
| CA | UE | $70.74 | $86.69 |
| CO | UE | $63.44 | $86.69 |
| CT | UE | $69.39 | $86.69 |
| DC | UE | $65.65 | $86.69 |
| DE | UE | $65.65 | $86.69 |
| FL | UE | $69.17 | $86.69 |
| GA | UE | $69.17 | $86.69 |
| HI | UE | $91.29 | — |
| IA | UE | $65.29 | $86.69 |
| ID | UE | $63.44 | $86.69 |
| IL | UE | $72.10 | $86.69 |
| IN | UE | $72.10 | $86.69 |
| KS | UE | $65.29 | $86.69 |
| KY | UE | $69.17 | $86.69 |
| LA | UE | $69.17 | $86.69 |
| MA | UE | $69.39 | $86.69 |
| MD | UE | $65.65 | $86.69 |
| ME | UE | $69.39 | $86.69 |
| MI | UE | $72.10 | $86.69 |
| MN | UE | $65.29 | $86.69 |
| MO | UE | $65.29 | $86.69 |
| MS | UE | $69.17 | $86.69 |
| MT | UE | $63.44 | $86.69 |
| NC | UE | $69.17 | $86.69 |
| ND | UE | $65.29 | $86.69 |
| NE | UE | $65.29 | $86.69 |
| NH | UE | $69.39 | $86.69 |
| NJ | UE | $65.65 | $86.69 |
| NM | UE | $64.34 | $86.69 |
| NV | UE | $70.74 | $86.69 |
| NY | UE | $65.65 | $86.69 |
| OH | UE | $72.10 | $86.69 |
| OK | UE | $64.34 | $86.69 |
| OR | UE | $70.74 | $86.69 |
| PA | UE | $65.65 | $86.69 |
| PR | UE | $96.35 | — |
| RI | UE | $69.39 | $86.69 |
| SC | UE | $69.17 | $86.69 |
| SD | UE | $65.29 | $86.69 |
| TN | UE | $69.17 | $86.69 |
| TX | UE | $64.34 | $86.69 |
| UT | UE | $63.44 | $86.69 |
| VA | UE | $69.17 | $86.69 |
| VI | UE | $86.49 | — |
| VT | UE | $69.39 | $86.69 |
| WA | UE | $70.74 | $86.69 |
| WI | UE | $72.10 | $86.69 |
| WV | UE | $69.17 | $86.69 |
| WY | UE | $63.44 | $86.69 |
How the E0561 fee compares
| Measure | Value |
|---|---|
| Rank among 4 E05 codes billed NU (lowest = 1) | 1 |
| Family fee range (average of state fees) | $92.47–$198.77 |
| Rural fee uplift | 25.0% |
Who bills E0561 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | 13 |
| Suppliers billing purchases | — |
| Referring clinicians | 15 |
| Medicare beneficiaries | 15 |
| States with claims | 2 |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 31 | 92 |
| 2023 | 23 | 89 |
| 2024 | 13 | 15 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for E0561, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 228 | 92 | $26.16 | $19.86 |
| 2023 | 192 | 89 | $33.27 | $25.06 |
| 2024 | 69 | 15 | $9.41 | $6.77 |
States with the most E0561 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Tennessee | 14 | $8.09 |
| Mississippi | 11 | $7.06 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 1 | Nature of Equipment |
What changed for E0561
- 2026-01-01: Average state fee (NU) rose 2.7%: $90.07 to $92.47
- 2026-01-01: Average state fee (RR) rose 2.6%: $9.01 to $9.25
- 2026-01-01: Average state fee (UE) rose 2.7%: $67.59 to $69.38
- 2004-01-01: E0561 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 E0561?
E0561 is the HCPCS Level II code for humidifier, non-heated, used with positive airway pressure device. Short descriptor: "Humidifier nonheated w pap".
How much does Medicare pay for E0561?
Under the 2026 DMEPOS fee schedule, non-rural state fees are NU (new equipment, purchased): $84.58–$128.48; RR (rental (monthly)): $8.46–$12.85; UE (used equipment, purchased): $63.44–$96.35. Rural fees can be higher.
Does Medicare cover E0561?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Did the Medicare fee for E0561 change in 2026?
The average non-rural state fee for NU moved from $90.07 in 2025 to $92.47 in 2026 (+2.7%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of E0561 can be billed per day?
1 on DME suppliers (NCCI medically unlikely edits).
Related E05 codes
- E0500 — Ippb machine, all types, with built-in nebulization; manual or automatic valves; internal or external power source ($132.97–$168.94)
- E0530 — Electronic positional obstructive sleep apnea treatment, with sensor, includes all components and accessories, any type ($37.12–$37.12)
- E0550 — Humidifier, durable for extensive supplemental humidification during ippb treatments or oxygen delivery ($60.73–$118.04)
- E0555 — Humidifier, durable, glass or autoclavable plastic bottle type, for use with regulator or flowmeter
- E0560 — Humidifier, durable for supplemental humidification during ippb treatment or oxygen delivery ($20.98–$225.28)
- E0562 — Humidifier, heated, used with positive airway pressure device ($16.82–$316.53)
- E0565 — Compressor, air power source for equipment which is not self-contained or cylinder driven ($42.74–$82.96)
- E0570 — Nebulizer, with compressor ($6.09–$15.43)
- E0572 — Aerosol compressor, adjustable pressure, light duty for intermittent use ($29.16–$51.74)
- E0574 — Ultrasonic/electronic aerosol generator with small volume nebulizer ($48.76–$67.63)
- E0575 — Nebulizer, ultrasonic, large volume ($124.51–$159.48)
- E0580 — Nebulizer, durable, glass or autoclavable plastic, bottle type, for use with regulator or flowmeter ($16.47–$182.27)
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 E0561
- Watch E0561 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for E0561
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.