M62.2 - Nontraumatic ischemic infarction of muscle
M62.26 - Nontraumatic ischemic infarction of muscle, lower leg
M62.261 - Nontraumatic ischemic infarction of muscle, right lower leg
M62.262 - Nontraumatic ischemic infarction of muscle, left lower leg
M62.269 - Nontraumatic ischemic infarction of muscle, unspecified lower leg