A6406 is an invalid HCPCS code. The code may have been used in previous years however, as of the 2021 code reference, it is NOT VALID.
CMS has not included this code as a usable HCPCS code in its current update. Before submitting any claims,
please use a valid and current HCPCS code to avoid any delays in processing your claim.
Browse or search HCPCS Codes using the following methods: