What is the code L5979?
The HCPCS L5979 code is part of the Prosthetic Procedures services used for Ankle and/or Foot Prosthetics and Additions. It represents a moderate-complexity encounter and is one of several codes that vary based on time spent, level of medical decision-making, and documentation requirements. HCPCS Code for Addition to lower extremity, below knee / above knee suspension locking mechanism (shuttle, lanyard or equal), excludes socket insert L5671.