A4640 HCPCS Level II code: Replacement pad for use with medically necessary alternating pressure pad owned by patient
A4640 is the HCPCS code for “Replacement pad for use with medically necessary alternating pressure pad owned by patient” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4640Replacement pad for use with medically necessary alternating pressure pad owned by patient
Short description: Alternating pressure pad
HCPCS · United States
Medicare details
The indicators CMS publishes with A4640 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- DMEPOS fee schedule – Inexpensive & routinely purchased DME (price subject to floors and ceilings)
- Type of service
- Used durable medical equipment (DME); Lump sum purchase of DME, prosthetics, orthotics; Rental of DME
- BETOS category
- Other DME
- Added
- Jan 1, 1991
Where A4640 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4640Replacement pad for use with medically necessary alternating pressure pad owned by patient
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 A4640 mean?
A4640 is the HCPCS code for “Replacement pad for use with medically necessary alternating pressure pad owned by patient” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4640?
CMS lists A4640’s Medicare coverage as “Special coverage instructions apply” and its pricing as “DMEPOS fee schedule – Inexpensive & routinely purchased DME (price subject to floors and ceilings)”. 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 A4640
All A codesA4634Replacement bulb for therapeutic light box, tabletop modelA4635Underarm pad, crutch, replacement, eachA4636Replacement, handgrip, cane, crutch, or walker, eachA4637Replacement, tip, cane, crutch, walker, each.A4638Replacement battery for patient-owned ear pulse generator, eachA4639Replacement pad for infrared heating pad system, eachA4641Radiopharmaceutical, diagnostic, not otherwise classifiedA4642Indium in-111 satumomab pendetide, diagnostic, per study dose, up to 6 millicuriesA4648Tissue marker, implantable, any type, eachA4649Surgical supply; miscellaneousA4650Implantable radiation dosimeter, eachA4651Calibrated microcapillary tube, each