L6691 HCPCS Level II code: Upper extremity addition, removable insert, each
L6691 is the HCPCS code for “Upper extremity addition, removable insert, each” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
L6691Upper extremity addition, removable insert, each
Short description: Removable insert each
HCPCS · United States
Medicare details
The indicators CMS publishes with L6691 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, 1988
Where L6691 sits
- 1L codesOrthotics and prosthetics
- 2Active code L6691Upper extremity addition, removable insert, each
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 L6691 mean?
L6691 is the HCPCS code for “Upper extremity addition, removable insert, each” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover L6691?
CMS lists L6691’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.
Codes beside L6691
All L codesL6684Upper extremity addition, test socket, shoulder disarticulation or interscapular thoracicL6686Upper extremity addition, suction socketL6687Upper extremity addition, frame type socket, below elbow or wrist disarticulationL6688Upper extremity addition, frame type socket, above elbow or elbow disarticulationL6689Upper extremity addition, frame type socket, shoulder disarticulationL6690Upper extremity addition, frame type socket, interscapular-thoracicL6692Upper extremity addition, silicone gel insert or equal, with or without locking mechanism, eachL6693Upper extremity addition, locking elbow, forearm counterbalanceL6694Addition to upper extremity prosthesis, below elbow/above elbow, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric or equal, for use…L6695Addition to upper extremity prosthesis, below elbow/above elbow, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric or equal, not for…L6696Addition to upper extremity prosthesis, below elbow/above elbow, custom fabricated socket insert for congenital or atypical traumatic amputee, silicone gel, elastomeric or equal…L6697Addition to upper extremity prosthesis, below elbow/above elbow, custom fabricated socket insert for other than congenital or atypical traumatic amputee, silicone gel…