A4220 HCPCS Level II code: Refill kit for implantable infusion pump
A4220 is the HCPCS code for “Refill kit for implantable infusion pump” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4220Refill kit for implantable infusion pump
Short description: Infusion pump refill kit
HCPCS · United States
Notes for A4220
As CMS prints them, with any note A4220 takes from the headings above it.
Note
- CMS processing note 0050: THIS CODE MUST INCLUDE NON-CORING NEEDLES, PRESSURE MONITOR WITH STOPCOCK AND TEMPLATES. CARRIERS SHOULD NOT ALLOW SEPARATE PAYMENT FOR THIS CODE AND FOR A4212.
Medicare details
The indicators CMS publishes with A4220 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- Other carrier priced
- Type of service
- Lump sum purchase of DME, prosthetics, orthotics
- BETOS category
- Medical/surgical supplies
- Added
- Jan 1, 1994
Where A4220 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4220Refill kit for implantable infusion pump
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code A4220 mean?
A4220 is the HCPCS code for “Refill kit for implantable infusion pump” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4220?
CMS lists A4220’s Medicare coverage as “Special coverage instructions apply” and its pricing as “Other carrier priced”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside A4220
All A codesA4212Non-coring needle or stylet with or without catheterA4213Syringe, sterile, 20 cc or greater, eachA4215Needle, sterile, any size, eachA4216Sterile water, saline and/or dextrose, diluent/flush, 10 mlA4217Sterile water/saline, 500 mlA4218Sterile saline or water, metered dose dispenser, 10 mlA4221Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately)A4222Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately)A4223Infusion supplies not used with external infusion pump, per cassette or bag (list drugs separately)A4224Supplies for maintenance of insulin infusion catheter, per weekA4225Supplies for external insulin infusion pump, syringe type cartridge, sterile, eachA4226Supplies for maintenance of insulin infusion pump with dosage rate adjustment using therapeutic continuous glucose sensing, per week