--- M66.171 Rupture of synovium, right ankle

--- M66.172 Rupture of synovium, left ankle

--- M66.173 Rupture of synovium, unspecified ankle

--- M66.174 Rupture of synovium, right foot

--- M66.175 Rupture of synovium, left foot

--- M66.176 Rupture of synovium, unspecified foot

--- M66.177 Rupture of synovium, right toe(s)

--- M66.178 Rupture of synovium, left toe(s)

--- M66.179 Rupture of synovium, unspecified toe(s)