A7020 HCPCS code: Interface for cough stimulating device, includes all components, replacement only
A7020 is the HCPCS Level II code for interface for cough stimulating device, includes all components, replacement only. The 2026 Medicare DMEPOS fee schedule pays $19.87 to $23.81 (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 11% from 2022 to 2024 (1,752 to 1,556 services). In 2024, 152 suppliers billed Medicare for A7020 (purchases), serving 605 beneficiaries; New Jersey, Florida, Pennsylvania accounted for 32% of services. Its average fee ranks 23 of 37 A70 codes billed NU (family range $0.71–$172.96).
Code details
| Field | Value |
|---|---|
| Section | A codes — Transportation, medical/surgical supplies and miscellaneous |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 32 — DMEPOS: inexpensive or routinely purchased item |
| BETOS category | D1E — Other durable medical equipment |
| Added | 2011-01-01 |
| Last action effective | 2011-01-01 |
2026 Medicare DMEPOS fee schedule for A7020
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| NU | new equipment, purchased | $19.87 | $23.81 | $20.62 | $17.53 |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | NU | $19.87 | — |
| AL | NU | $20.62 | — |
| AR | NU | $20.62 | — |
| AZ | NU | $19.87 | — |
| CA | NU | $20.62 | — |
| CO | NU | $20.62 | — |
| CT | NU | $19.87 | — |
| DC | NU | $20.62 | — |
| DE | NU | $19.87 | — |
| FL | NU | $19.87 | — |
| GA | NU | $20.62 | — |
| HI | NU | $20.62 | — |
| IA | NU | $20.62 | — |
| ID | NU | $19.87 | — |
| IL | NU | $20.62 | — |
| IN | NU | $20.62 | — |
| KS | NU | $19.87 | — |
| KY | NU | $20.62 | — |
| LA | NU | $20.62 | — |
| MA | NU | $19.87 | — |
| MD | NU | $19.87 | — |
| ME | NU | $19.87 | — |
| MI | NU | $20.62 | — |
| MN | NU | $20.62 | — |
| MO | NU | $20.62 | — |
| MS | NU | $20.62 | — |
| MT | NU | $19.87 | — |
| NC | NU | $20.47 | — |
| ND | NU | $20.62 | — |
| NE | NU | $19.87 | — |
| NH | NU | $19.87 | — |
| NJ | NU | $19.87 | — |
| NM | NU | $20.62 | — |
| NV | NU | $19.87 | — |
| NY | NU | $19.87 | — |
| OH | NU | $20.62 | — |
| OK | NU | $20.62 | — |
| OR | NU | $19.87 | — |
| PA | NU | $19.87 | — |
| PR | NU | $23.81 | — |
| RI | NU | $19.87 | — |
| SC | NU | $20.62 | — |
| SD | NU | $20.62 | — |
| TN | NU | $20.62 | — |
| TX | NU | $19.87 | — |
| UT | NU | $20.62 | — |
| VA | NU | $19.87 | — |
| VI | NU | $20.62 | — |
| VT | NU | $19.87 | — |
| WA | NU | $20.62 | — |
| WI | NU | $20.62 | — |
| WV | NU | $20.62 | — |
| WY | NU | $20.47 | — |
How the A7020 fee compares
| Measure | Value |
|---|---|
| Rank among 37 A70 codes billed NU (lowest = 1) | 23 |
| Family fee range (average of state fees) | $0.71–$172.96 |
| Rural fee uplift | — |
Who bills A7020 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | — |
| Suppliers billing purchases | 152 |
| Referring clinicians | 430 |
| Medicare beneficiaries | 605 |
| States with claims | 23 |
| Share of services in top 3 states (New Jersey, Florida, Pennsylvania) | 32% |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 206 | 675 |
| 2023 | 181 | 650 |
| 2024 | 152 | 605 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for A7020, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 1,752 | 675 | $17.23 | $13.02 |
| 2023 | 1,688 | 650 | $18.72 | $14.12 |
| 2024 | 1,556 | 605 | $19.27 | $14.58 |
States with the most A7020 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| New Jersey | 180 | $14.04 |
| Florida | 152 | $14.58 |
| Pennsylvania | 140 | $14.63 |
| Illinois | 125 | $15.01 |
| California | 99 | $14.69 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 1 | Nature of Equipment |
Medicare policy articles for this code
- A52510: Mechanical In-exsufflation Devices - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance
Covered diagnoses (73 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| B91 | Sequelae of poliomyelitis | 1 |
| E74.02 | Pompe disease | 1 |
| E74.05 | Lysosome-associated membrane protein 2 [LAMP2] deficiency | 1 |
| G12.0 | Infantile spinal muscular atrophy, type I [Werdnig-Hoffman] | 1 |
| G12.1 | Other inherited spinal muscular atrophy | 1 |
| G12.20 | Motor neuron disease, unspecified | 1 |
| G12.21 | Amyotrophic lateral sclerosis | 1 |
| G12.22 | Progressive bulbar palsy | 1 |
| G12.23 | Primary lateral sclerosis | 1 |
| G12.24 | Familial motor neuron disease | 1 |
Showing 10 of 73. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for A7020
- 2026-01-01: Average state fee (NU) rose 2.0%: $19.97 to $20.36
- 2011-01-01: A7020 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 A7020?
A7020 is the HCPCS Level II code for interface for cough stimulating device, includes all components, replacement only. Short descriptor: "Interface, cough stim device".
How much does Medicare pay for A7020?
Under the 2026 DMEPOS fee schedule, non-rural state fees are NU (new equipment, purchased): $19.87–$23.81. Rural fees can be higher.
Does Medicare cover A7020?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Which diagnoses support coverage for A7020?
Medicare policy articles that cite A7020 list 73 covered ICD-10-CM diagnosis codes across 1 article. The most cited include B91 (Sequelae of poliomyelitis), E74.02 (Pompe disease), E74.05 (Lysosome-associated membrane protein 2 [LAMP2] deficiency). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
Did the Medicare fee for A7020 change in 2026?
The average non-rural state fee for NU moved from $19.97 in 2025 to $20.36 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of A7020 can be billed per day?
1 on DME suppliers (NCCI medically unlikely edits).
Related A70 codes
- A7000 — Canister, disposable, used with suction pump, each ($9.24–$13.39)
- A7001 — Canister, non-disposable, used with suction pump, each ($40.06–$47.58)
- A7002 — Tubing, used with suction pump, each ($3.87–$5.47)
- A7003 — Administration set, with small volume nonfiltered pneumatic nebulizer, disposable ($1.86–$3.26)
- A7004 — Small volume nonfiltered pneumatic nebulizer, disposable ($1.51–$2.08)
- A7005 — Administration set, with small volume nonfiltered pneumatic nebulizer, non-disposable ($11.77–$29.20)
- A7006 — Administration set, with small volume filtered pneumatic nebulizer ($8.19–$14.94)
- A7007 — Large volume nebulizer, disposable, unfilled, used with aerosol compressor ($3.47–$5.87)
- A7008 — Large volume nebulizer, disposable, prefilled, used with aerosol compressor ($12.46–$18.09)
- A7009 — Reservoir bottle, non-disposable, used with large volume ultrasonic nebulizer ($54.00–$66.77)
- A7010 — Corrugated tubing, disposable, used with large volume nebulizer, 100 feet ($17.61–$27.19)
- A7011 — Corrugated tubing, non-disposable, used with large volume nebulizer, 10 feet
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 A7020
- Watch A7020 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for A7020
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.