L6688 – Upper extremity addition, frame type socket, above elbow or elbow disarticulation
HCPCS Level II code · L codes: Orthotic and Prosthetic Procedures and Devices
HCPCS codeL6688
- Long description
- Upper extremity addition, frame type socket, above elbow or elbow disarticulation
- Short description
- Frame typ sock above elb/dis
- Pricing indicator
38Orthotics, prosthetics, prosthetic devices & vision services- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
D1FProsthetic/Orthotic devices- Added
- January 1, 1988
- Last change
- January 1, 1996 – No change
Frequently asked questions
What is HCPCS code L6688?
L6688 is a HCPCS Level II code for upper extremity addition, frame type socket, above elbow or elbow disarticulation.
Does Medicare cover L6688?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby L codes
- L6675 – Upper extremity addition, harness, (e.g., figure of eight type), single cable design
- L6676 – Upper extremity addition, harness, (e.g., figure of eight type), dual cable design
- L6677 – Upper extremity addition, harness, triple control, simultaneous operation of terminal device and elbow
- L6680 – Upper extremity addition, test socket, wrist disarticulation or below elbow
- L6682 – Upper extremity addition, test socket, elbow disarticulation or above elbow
- L6684 – Upper extremity addition, test socket, shoulder disarticulation or interscapular thoracic
- L6686 – Upper extremity addition, suction socket
- L6687 – Upper extremity addition, frame type socket, below elbow or wrist disarticulation
- L6689 – Upper extremity addition, frame type socket, shoulder disarticulation
- L6690 – Upper extremity addition, frame type socket, interscapular-thoracic
- L6691 – Upper extremity addition, removable insert, each
- L6692 – Upper extremity addition, silicone gel insert or equal, with or without locking mechanism, each
- L6693 – Upper extremity addition, locking elbow, forearm counterbalance
- L6694 – Addition to upper extremity prosthesis, below elbow/above elbow, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric or equal, for use with locking mechanism
- L6695 – Addition to upper extremity prosthesis, below elbow/above elbow, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric or equal, not for use with locking mechanism
- L6696 – Addition to upper extremity prosthesis, below elbow/above elbow, custom fabricated socket insert for congenital or atypical traumatic amputee, silicone gel, elastomeric or equal, for use with or without locking mechanism, initial only (for other than initial, use code l6694 or l6695)
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.