S96.21 - Strain of intrinsic muscle and tendon at ankle and foot level S96.2 - Injury of intrinsic muscle and tendon at ankle and foot level S96.21 - Strain of intrinsic muscle and tendon at ankle and foot level S96.211 - Strain of intrinsic muscle and tendon at ankle and foot level, right foot S96.212 - Strain of intrinsic muscle and tendon at ankle and foot level, left foot S96.219 - Strain of intrinsic muscle and tendon at ankle and foot level, unspecified foot