K3 is a valid 2023 HCPCS Modifier that could be used to indicate Lower extremity prosthesis functional level 3 - has the ability or potential for ambulation with variable cadence. typical of the community ambulator who has the ability to transverse most environmental barriers and may have vocational, therapeutic, or exercise activity that demands prosthetic utilization beyond simple locomotion..

K3 Modifier has been in effect since Jan 01, 1997.

Short description for K3 HCPCS Modifier code:

Lwr ext prost functnl lvl 3