M23.0 - Cystic meniscus
M23.06 - Cystic meniscus, other lateral meniscus
M23.061 - Cystic meniscus, other lateral meniscus, right knee
M23.062 - Cystic meniscus, other lateral meniscus, left knee
M23.069 - Cystic meniscus, other lateral meniscus, unspecified knee