A4301 HCPCS code: Implantable access total catheter, port/reservoir (e.g., venous, arterial, epidural, subarachnoid, peritoneal, etc.)
A4301 is the HCPCS Level II code for implantable access total catheter, port/reservoir (e.g., venous, arterial, epidural, subarachnoid, peritoneal, etc.). 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 outpatient hospital claims.
Code details
| Field | Value |
|---|---|
| Section | A codes — Transportation, medical/surgical supplies and miscellaneous |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 00 — Not separately priced by Medicare |
| BETOS category | D1A — Medical/surgical supplies |
| Added | 1996-01-01 |
| Last action effective | 2003-01-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 1 | Code Descriptor / CPT Instruction |
| practitioner claims | 1 | Code Descriptor / CPT Instruction |
What changed for A4301
- 1996-01-01: A4301 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 A4301?
A4301 is the HCPCS Level II code for implantable access total catheter, port/reservoir (e.g., venous, arterial, epidural, subarachnoid, peritoneal, etc.). Short descriptor: "Implantable access syst perc".
Does Medicare cover A4301?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of A4301 can be billed per day?
1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).
Related A43 codes
- A4300 — Implantable access catheter, (e.g., venous, arterial, epidural subarachnoid, or peritoneal, etc.) external access
- A4305 — Disposable drug delivery system, flow rate of 50 ml or greater per hour
- A4306 — Disposable drug delivery system, flow rate of less than 50 ml per hour
- A4310 — Insertion tray without drainage bag and without catheter (accessories only) ($9.36–$25.22)
- A4311 — Insertion tray without drainage bag with indwelling catheter, foley type, two-way latex with coating (teflon, silicone, silicone elastomer or hydrophilic, etc.) ($16.05–$28.00)
- A4312 — Insertion tray without drainage bag with indwelling catheter, foley type, two-way, all silicone ($21.85–$36.59)
- A4313 — Insertion tray without drainage bag with indwelling catheter, foley type, three-way, for continuous irrigation ($22.44–$40.49)
- A4314 — Insertion tray with drainage bag with indwelling catheter, foley type, two-way latex with coating (teflon, silicone, silicone elastomer or hydrophilic, etc.) ($30.63–$41.77)
- A4315 — Insertion tray with drainage bag with indwelling catheter, foley type, two-way, all silicone ($31.95–$48.37)
- A4316 — Insertion tray with drainage bag with indwelling catheter, foley type, three-way, for continuous irrigation ($34.40–$48.37)
- A4320 — Irrigation tray with bulb or piston syringe, any purpose ($6.34–$8.42)
- A4321 — Therapeutic agent for urinary catheter irrigation
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Next steps
- Run a reimbursement report for a device billed under A4301
- Watch A4301 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for A4301
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; 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.