L6621 HCPCS Level II code: Upper extremity prosthesis addition, flexion/extension wrist with or without friction, for use with external powered terminal device

L6621 is the HCPCS code for “Upper extremity prosthesis addition, flexion/extension wrist with or without friction, for use with external powered terminal device” in CMS’s October 2026 release, in effect from Oct 1, 2026.

Official description

L6621

Upper extremity prosthesis addition, flexion/extension wrist with or without friction, for use with external powered terminal device

Short description: Flex/ext wrist w/wo friction

HCPCS · United States

Medicare details

The indicators CMS publishes with L6621 in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Medicare pricing
DMEPOS fee schedule – Orthotics, prosthetics, prosthetic devices & vision services (price subject to floors and ceilings)
Type of service
Lump sum purchase of DME, prosthetics, orthotics
BETOS category
Prosthetic/Orthotic devices
Added
Jan 1, 2006

Where L6621 sits

  1. 1L codesOrthotics and prosthetics
  2. 2Active code L6621Upper extremity prosthesis addition, flexion/extension wrist with or without friction, for use with external powered terminal device

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 L6621 mean?

L6621 is the HCPCS code for “Upper extremity prosthesis addition, flexion/extension wrist with or without friction, for use with external powered terminal device” in CMS’s HCPCS Level II October 2026 release.

Does Medicare cover L6621?

CMS lists L6621’s Medicare coverage as “Carrier judgment” and its pricing as “DMEPOS fee schedule – Orthotics, prosthetics, prosthetic devices & vision services (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.