L5654 Addition to lower extremity, socket insert, symes, (kemblo, pelite, aliplast, plastazote or equal) billable
L5655 Addition to lower extremity, socket insert, below knee (kemblo, pelite, aliplast, plastazote or equal) billable
L5656 Addition to lower extremity, socket insert, knee disarticulation (kemblo, pelite, aliplast, plastazote or equal) billable
L5657 Addition to lower extremity prosthesis, manual/automated adjustable air, fluid, gel or equal socket insert for limb volume management, any materials billable
L5658 Addition to lower extremity, socket insert, above knee (kemblo, pelite, aliplast, plastazote or equal) billable
L5661 Addition to lower extremity, socket insert, multi-durometer symes billable
L5673 Addition to lower extremity, below knee/above knee, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric, or equal, with or without perforations, with or without breathable material, for use with locking mechanism billable
L5676 Additions to lower extremity, below knee, knee joints, single axis, pair billable
L5679 Addition to lower extremity, below knee/above knee, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric, or equal, with or without perforations, with or without breathable material, not for use with locking mechanism billable
L5681 Addition to lower extremity, below knee/above knee, 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 l5673 or l5679) billable
L5683 Addition to lower extremity, below knee/above knee, custom fabricated socket insert for other than 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 l5673 or l5679) billable
L5684 Addition to lower extremity, below knee, fork strap billable
L5685 Addition to lower extremity prosthesis, below knee, suspension/sealing sleeve, with or without valve, any material, each billable
L5686 Addition to lower extremity, below knee, back check (extension control) billable