A4624 HCPCS code: Tracheal suction catheter, any type other than closed system, each
A4624 is the HCPCS Level II code for tracheal suction catheter, any type other than closed system, each. The 2026 Medicare DMEPOS fee schedule pays $1.75 to $4.21 (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 270 per day on DME suppliers. Medicare volume fell 9% from 2022 to 2024 (2,236,102 to 2,040,334 services). In 2024, 1,534 suppliers billed Medicare for A4624 (purchases), serving 6,771 beneficiaries; California, Florida, New York accounted for 28% of services. Its average fee ranks 3 of 13 A46 codes billed NU (family range $2.30–$66.87).
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 | 1990-01-01 |
| Last action effective | 2003-01-01 |
2026 Medicare DMEPOS fee schedule for A4624
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| NU | new equipment, purchased | $1.75 | $4.21 | $3.76 | $3.20 |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | NU | $3.91 | — |
| AL | NU | $3.76 | — |
| AR | NU | $3.76 | — |
| AZ | NU | $3.76 | — |
| CA | NU | $3.76 | — |
| CO | NU | $3.76 | — |
| CT | NU | $3.76 | — |
| DC | NU | $3.37 | — |
| DE | NU | $3.37 | — |
| FL | NU | $3.76 | — |
| GA | NU | $3.76 | — |
| HI | NU | $4.21 | — |
| IA | NU | $3.76 | — |
| ID | NU | $3.76 | — |
| IL | NU | $3.76 | — |
| IN | NU | $3.20 | — |
| KS | NU | $3.76 | — |
| KY | NU | $3.20 | — |
| LA | NU | $3.76 | — |
| MA | NU | $3.20 | — |
| MD | NU | $3.61 | — |
| ME | NU | $3.20 | — |
| MI | NU | $3.20 | — |
| MN | NU | $3.76 | — |
| MO | NU | $3.76 | — |
| MS | NU | $3.20 | — |
| MT | NU | $3.76 | — |
| NC | NU | $3.20 | — |
| ND | NU | $3.20 | — |
| NE | NU | $3.76 | — |
| NH | NU | $3.20 | — |
| NJ | NU | $3.37 | — |
| NM | NU | $3.20 | — |
| NV | NU | $3.76 | — |
| NY | NU | $3.20 | — |
| OH | NU | $3.76 | — |
| OK | NU | $3.20 | — |
| OR | NU | $3.76 | — |
| PA | NU | $3.37 | — |
| PR | NU | $1.75 | — |
| RI | NU | $3.20 | — |
| SC | NU | $3.76 | — |
| SD | NU | $3.20 | — |
| TN | NU | $3.20 | — |
| TX | NU | $3.76 | — |
| UT | NU | $3.76 | — |
| VA | NU | $3.20 | — |
| VI | NU | $3.20 | — |
| VT | NU | $3.20 | — |
| WA | NU | $3.76 | — |
| WI | NU | $3.20 | — |
| WV | NU | $3.76 | — |
| WY | NU | $3.20 | — |
How the A4624 fee compares
| Measure | Value |
|---|---|
| Rank among 13 A46 codes billed NU (lowest = 1) | 3 |
| Family fee range (average of state fees) | $2.30–$66.87 |
| Rural fee uplift | — |
Who bills A4624 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | — |
| Suppliers billing purchases | 1,534 |
| Referring clinicians | 6,558 |
| Medicare beneficiaries | 6,771 |
| States with claims | 52 |
| Share of services in top 3 states (California, Florida, New York) | 28% |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 1,603 | 7,422 |
| 2023 | 1,569 | 6,979 |
| 2024 | 1,534 | 6,771 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for A4624, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 2,236,102 | 7,422 | $2.99 | $2.32 |
| 2023 | 2,095,445 | 6,979 | $3.27 | $2.52 |
| 2024 | 2,040,334 | 6,771 | $3.35 | $2.59 |
States with the most A4624 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| California | 276,828 | $2.76 |
| Florida | 162,615 | $2.76 |
| New York | 138,348 | $2.37 |
| Texas | 129,777 | $2.71 |
| Pennsylvania | 110,898 | $2.50 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 270 | CMS Policy |
| outpatient hospital claims | 2 | Clinical: CMS Workgroup |
Medicare policy articles for this code
- A52519: Suction Pumps - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance
Covered diagnoses (8 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| J95.00 | Unspecified tracheostomy complication | 1 |
| J95.01 | Hemorrhage from tracheostomy stoma | 1 |
| J95.02 | Infection of tracheostomy stoma | 1 |
| J95.03 | Malfunction of tracheostomy stoma | 1 |
| J95.04 | Tracheo-esophageal fistula following tracheostomy | 1 |
| J95.09 | Other tracheostomy complication | 1 |
| Z43.0 | Encounter for attention to tracheostomy | 1 |
| Z93.0 | Tracheostomy status | 1 |
What changed for A4624
- 2026-01-01: Average state fee (NU) rose 1.9%: $3.42 to $3.49
- 1990-01-01: A4624 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 A4624?
A4624 is the HCPCS Level II code for tracheal suction catheter, any type other than closed system, each. Short descriptor: "Tracheal suction tube".
How much does Medicare pay for A4624?
Under the 2026 DMEPOS fee schedule, non-rural state fees are NU (new equipment, purchased): $1.75–$4.21. Rural fees can be higher.
Does Medicare cover A4624?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Which diagnoses support coverage for A4624?
Medicare policy articles that cite A4624 list 8 covered ICD-10-CM diagnosis codes across 1 article. The most cited include J95.00 (Unspecified tracheostomy complication), J95.01 (Hemorrhage from tracheostomy stoma), J95.02 (Infection of tracheostomy stoma). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
Did the Medicare fee for A4624 change in 2026?
The average non-rural state fee for NU moved from $3.42 in 2025 to $3.49 in 2026 (+1.9%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of A4624 can be billed per day?
270 on DME suppliers; 2 on outpatient hospital claims (NCCI medically unlikely edits).
Related A46 codes
- A4600 — Sleeve for intermittent limb compression device, replacement only, each
- A4601 — Lithium ion battery, rechargeable, for non-prosthetic use, replacement
- A4602 — Replacement battery for external infusion pump owned by patient, lithium, 1.5 volt, each ($5.31–$6.33)
- A4604 — Tubing with integrated heating element for use with positive airway pressure device ($49.31–$76.79)
- A4605 — Tracheal suction catheter, closed system, each ($23.31–$27.99)
- A4606 — Oxygen probe for use with oximeter device, replacement
- A4608 — Transtracheal oxygen catheter, each ($71.44–$85.73)
- A4611 — Battery, heavy duty; replacement for patient owned ventilator
- A4612 — Battery cables; replacement for patient-owned ventilator
- A4613 — Battery charger; replacement for patient-owned ventilator
- A4614 — Peak expiratory flow rate meter, hand held ($33.89–$40.68)
- A4615 — Cannula, nasal ($1.04–$1.25)
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 A4624
- Watch A4624 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for A4624
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.