K0730 HCPCS code: Controlled dose inhalation drug delivery system
K0730 is the HCPCS Level II code for controlled dose inhalation drug delivery system. The 2026 Medicare DMEPOS fee schedule pays $245.69 (RR, rental (monthly)) 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 57% from 2022 to 2023 (35 to 15 services). In 2023, 3 suppliers billed Medicare for K0730 (rentals), serving 0 beneficiaries. Its average fee ranks 3 of 3 K07 codes billed RR (family range $3.65–$245.69).
Code details
| Field | Value |
|---|---|
| Section | K codes — Temporary codes for DME MACs |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 36 — DMEPOS: capped rental item |
| BETOS category | D1E — Other durable medical equipment |
| Added | 2005-07-01 |
| Last action effective | 2014-04-01 |
2026 Medicare DMEPOS fee schedule for K0730
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| RR | rental (monthly) | $245.69 | $245.69 | $245.69 | $208.84 |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | RR | $245.69 | — |
| AL | RR | $245.69 | — |
| AR | RR | $245.69 | — |
| AZ | RR | $245.69 | — |
| CA | RR | $245.69 | — |
| CO | RR | $245.69 | — |
| CT | RR | $245.69 | — |
| DC | RR | $245.69 | — |
| DE | RR | $245.69 | — |
| FL | RR | $245.69 | — |
| GA | RR | $245.69 | — |
| HI | RR | $245.69 | — |
| IA | RR | $245.69 | — |
| ID | RR | $245.69 | — |
| IL | RR | $245.69 | — |
| IN | RR | $245.69 | — |
| KS | RR | $245.69 | — |
| KY | RR | $245.69 | — |
| LA | RR | $245.69 | — |
| MA | RR | $245.69 | — |
| MD | RR | $245.69 | — |
| ME | RR | $245.69 | — |
| MI | RR | $245.69 | — |
| MN | RR | $245.69 | — |
| MO | RR | $245.69 | — |
| MS | RR | $245.69 | — |
| MT | RR | $245.69 | — |
| NC | RR | $245.69 | — |
| ND | RR | $245.69 | — |
| NE | RR | $245.69 | — |
| NH | RR | $245.69 | — |
| NJ | RR | $245.69 | — |
| NM | RR | $245.69 | — |
| NV | RR | $245.69 | — |
| NY | RR | $245.69 | — |
| OH | RR | $245.69 | — |
| OK | RR | $245.69 | — |
| OR | RR | $245.69 | — |
| PA | RR | $245.69 | — |
| PR | RR | $245.69 | — |
| RI | RR | $245.69 | — |
| SC | RR | $245.69 | — |
| SD | RR | $245.69 | — |
| TN | RR | $245.69 | — |
| TX | RR | $245.69 | — |
| UT | RR | $245.69 | — |
| VA | RR | $245.69 | — |
| VI | RR | $245.69 | — |
| VT | RR | $245.69 | — |
| WA | RR | $245.69 | — |
| WI | RR | $245.69 | — |
| WV | RR | $245.69 | — |
| WY | RR | $245.69 | — |
How the K0730 fee compares
| Measure | Value |
|---|---|
| Rank among 3 K07 codes billed RR (lowest = 1) | 3 |
| Family fee range (average of state fees) | $3.65–$245.69 |
| Rural fee uplift | — |
Who bills K0730 (2023)
| Measure | Value |
|---|---|
| Suppliers billing rentals | 3 |
| Suppliers billing purchases | — |
| Referring clinicians | 6 |
| Medicare beneficiaries | 0 |
| States with claims | 0 |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 6 | 0 |
| 2023 | 3 | 0 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for K0730, 2022–2023
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 35 | 0 | $180.78 | $143.07 |
| 2023 | 15 | 0 | $198.69 | $155.78 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 1 | Nature of Equipment |
Medicare policy articles for this code
- A52466: Nebulizers - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance
Covered diagnoses (215 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| A15.0 | Tuberculosis of lung | 1 |
| A22.1 | Pulmonary anthrax | 1 |
| A37.01 | Whooping cough due to Bordetella pertussis with pneumonia | 1 |
| A37.11 | Whooping cough due to Bordetella parapertussis with pneumonia | 1 |
| A37.81 | Whooping cough due to other Bordetella species with pneumonia | 1 |
| A37.91 | Whooping cough, unspecified species with pneumonia | 1 |
| A48.1 | Legionnaires' disease | 1 |
| B20 | Human immunodeficiency virus [HIV] disease | 1 |
| B25.0 | Cytomegaloviral pneumonitis | 1 |
| B44.0 | Invasive pulmonary aspergillosis | 1 |
Showing 10 of 215. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for K0730
- 2026-01-01: Average state fee (RR) rose 2.0%: $240.87 to $245.69
- 2005-07-01: K0730 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 K0730?
K0730 is the HCPCS Level II code for controlled dose inhalation drug delivery system. Short descriptor: "Ctrl dose inh drug deliv sys".
How much does Medicare pay for K0730?
Under the 2026 DMEPOS fee schedule, non-rural state fees are RR (rental (monthly)): $245.69. Rural fees can be higher.
Does Medicare cover K0730?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Which diagnoses support coverage for K0730?
Medicare policy articles that cite K0730 list 215 covered ICD-10-CM diagnosis codes across 1 article. The most cited include A15.0 (Tuberculosis of lung), A22.1 (Pulmonary anthrax), A37.01 (Whooping cough due to Bordetella pertussis with pneumonia). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
Did the Medicare fee for K0730 change in 2026?
The average non-rural state fee for RR moved from $240.87 in 2025 to $245.69 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of K0730 can be billed per day?
1 on DME suppliers (NCCI medically unlikely edits).
Related K07 codes
- K0733 — Power wheelchair accessory, 12 to 24 amp hour sealed lead acid battery, each (e.g., gel cell, absorbed glassmat) ($3.25–$44.63)
- K0738 — Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing ($46.28–$88.58)
- K0739 — Repair or nonroutine service for durable medical equipment other than oxygen equipment requiring the skill of a technician, labor component, per 15 minutes ($20.11–$37.86)
- K0740 — Repair or nonroutine service for oxygen equipment requiring the skill of a technician, labor component, per 15 minutes
- K0743 — Suction pump, home model, portable, for use on wounds
- K0744 — Absorptive wound dressing for use with suction pump, home model, portable, pad size 16 square inches or less
- K0745 — Absorptive wound dressing for use with suction pump, home model, portable, pad size more than 16 square inches but less than or equal to 48 square inches
- K0746 — Absorptive wound dressing for use with suction pump, home model, portable, pad size greater than 48 square inches
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 K0730
- Watch K0730 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for K0730
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.