M66.2 - Spontaneous rupture of extensor tendons
M66.27 - Spontaneous rupture of extensor tendons, ankle and foot
M66.271 - Spontaneous rupture of extensor tendons, right ankle and foot
M66.272 - Spontaneous rupture of extensor tendons, left ankle and foot
M66.279 - Spontaneous rupture of extensor tendons, unspecified ankle and foot