M23 - Internal derangement of knee
Excludes 1:
-ankylosis M24.66)
-current injury - see injury of knee and lower leg (S80-S89)
-deformity of knee (M21.-)
-osteochondritis dissecans M93.2)
-recurrent dislocation or subluxation of joints M24.4)
-recurrent dislocation or subluxation of patella M22.0-M22.1)
M23.0 - Cystic meniscus
M23.00 - Cystic meniscus, unspecified meniscus
M23.000 - Cystic meniscus, unspecified lateral meniscus, right knee
M23.001 - Cystic meniscus, unspecified lateral meniscus, left knee
M23.002 - Cystic meniscus, unspecified lateral meniscus, unspecified knee
M23.003 - Cystic meniscus, unspecified medial meniscus, right knee
M23.004 - Cystic meniscus, unspecified medial meniscus, left knee
M23.005 - Cystic meniscus, unspecified medial meniscus, unspecified knee
M23.006 - Cystic meniscus, unspecified meniscus, right knee
M23.007 - Cystic meniscus, unspecified meniscus, left knee
M23.009 - Cystic meniscus, unspecified meniscus, unspecified knee
M23.01 - Cystic meniscus, anterior horn of medial meniscus
M23.011 - Cystic meniscus, anterior horn of medial meniscus, right knee
M23.012 - Cystic meniscus, anterior horn of medial meniscus, left knee
M23.019 - Cystic meniscus, anterior horn of medial meniscus, unspecified knee
M23.02 - Cystic meniscus, posterior horn of medial meniscus
M23.021 - Cystic meniscus, posterior horn of medial meniscus, right knee
M23.022 - Cystic meniscus, posterior horn of medial meniscus, left knee
M23.029 - Cystic meniscus, posterior horn of medial meniscus, unspecified knee
M23.03 - Cystic meniscus, other medial meniscus
M23.031 - Cystic meniscus, other medial meniscus, right knee
M23.032 - Cystic meniscus, other medial meniscus, left knee
M23.039 - Cystic meniscus, other medial meniscus, unspecified knee
M23.04 - Cystic meniscus, anterior horn of lateral meniscus
M23.041 - Cystic meniscus, anterior horn of lateral meniscus, right knee
M23.042 - Cystic meniscus, anterior horn of lateral meniscus, left knee
M23.049 - Cystic meniscus, anterior horn of lateral meniscus, unspecified knee
M23.05 - Cystic meniscus, posterior horn of lateral meniscus
M23.051 - Cystic meniscus, posterior horn of lateral meniscus, right knee
M23.052 - Cystic meniscus, posterior horn of lateral meniscus, left knee
M23.059 - Cystic meniscus, posterior horn of lateral meniscus, unspecified knee
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
M23.2 - Derangement of meniscus due to old tear or injury
M23.20 - Derangement of unspecified meniscus due to old tear or injury
M23.200 - Derangement of unspecified lateral meniscus due to old tear or injury, right knee
M23.201 - Derangement of unspecified lateral meniscus due to old tear or injury, left knee
M23.202 - Derangement of unspecified lateral meniscus due to old tear or injury, unspecified knee
M23.203 - Derangement of unspecified medial meniscus due to old tear or injury, right knee
M23.204 - Derangement of unspecified medial meniscus due to old tear or injury, left knee
M23.205 - Derangement of unspecified medial meniscus due to old tear or injury, unspecified knee
M23.206 - Derangement of unspecified meniscus due to old tear or injury, right knee
M23.207 - Derangement of unspecified meniscus due to old tear or injury, left knee
M23.209 - Derangement of unspecified meniscus due to old tear or injury, unspecified knee
M23.21 - Derangement of anterior horn of medial meniscus due to old tear or injury
M23.211 - Derangement of anterior horn of medial meniscus due to old tear or injury, right knee
M23.212 - Derangement of anterior horn of medial meniscus due to old tear or injury, left knee
M23.219 - Derangement of anterior horn of medial meniscus due to old tear or injury, unspecified knee
M23.22 - Derangement of posterior horn of medial meniscus due to old tear or injury
M23.221 - Derangement of posterior horn of medial meniscus due to old tear or injury, right knee
M23.222 - Derangement of posterior horn of medial meniscus due to old tear or injury, left knee
M23.229 - Derangement of posterior horn of medial meniscus due to old tear or injury, unspecified knee
M23.23 - Derangement of other medial meniscus due to old tear or injury
M23.231 - Derangement of other medial meniscus due to old tear or injury, right knee
M23.232 - Derangement of other medial meniscus due to old tear or injury, left knee
M23.239 - Derangement of other medial meniscus due to old tear or injury, unspecified knee
M23.24 - Derangement of anterior horn of lateral meniscus due to old tear or injury
M23.241 - Derangement of anterior horn of lateral meniscus due to old tear or injury, right knee
M23.242 - Derangement of anterior horn of lateral meniscus due to old tear or injury, left knee
M23.249 - Derangement of anterior horn of lateral meniscus due to old tear or injury, unspecified knee
M23.25 - Derangement of posterior horn of lateral meniscus due to old tear or injury
M23.251 - Derangement of posterior horn of lateral meniscus due to old tear or injury, right knee
M23.252 - Derangement of posterior horn of lateral meniscus due to old tear or injury, left knee
M23.259 - Derangement of posterior horn of lateral meniscus due to old tear or injury, unspecified knee
M23.26 - Derangement of other lateral meniscus due to old tear or injury
M23.261 - Derangement of other lateral meniscus due to old tear or injury, right knee
M23.262 - Derangement of other lateral meniscus due to old tear or injury, left knee
M23.269 - Derangement of other lateral meniscus due to old tear or injury, unspecified knee
M23.3 - Other meniscus derangements
M23.30 - Other meniscus derangements, unspecified meniscus
M23.300 - Other meniscus derangements, unspecified lateral meniscus, right knee
M23.301 - Other meniscus derangements, unspecified lateral meniscus, left knee
M23.302 - Other meniscus derangements, unspecified lateral meniscus, unspecified knee
M23.303 - Other meniscus derangements, unspecified medial meniscus, right knee
M23.304 - Other meniscus derangements, unspecified medial meniscus, left knee
M23.305 - Other meniscus derangements, unspecified medial meniscus, unspecified knee
M23.306 - Other meniscus derangements, unspecified meniscus, right knee
M23.307 - Other meniscus derangements, unspecified meniscus, left knee
M23.309 - Other meniscus derangements, unspecified meniscus, unspecified knee
M23.31 - Other meniscus derangements, anterior horn of medial meniscus
M23.311 - Other meniscus derangements, anterior horn of medial meniscus, right knee
M23.312 - Other meniscus derangements, anterior horn of medial meniscus, left knee
M23.319 - Other meniscus derangements, anterior horn of medial meniscus, unspecified knee
M23.32 - Other meniscus derangements, posterior horn of medial meniscus
M23.321 - Other meniscus derangements, posterior horn of medial meniscus, right knee
M23.322 - Other meniscus derangements, posterior horn of medial meniscus, left knee
M23.329 - Other meniscus derangements, posterior horn of medial meniscus, unspecified knee
M23.33 - Other meniscus derangements, other medial meniscus
M23.331 - Other meniscus derangements, other medial meniscus, right knee
M23.332 - Other meniscus derangements, other medial meniscus, left knee
M23.339 - Other meniscus derangements, other medial meniscus, unspecified knee
M23.34 - Other meniscus derangements, anterior horn of lateral meniscus
M23.341 - Other meniscus derangements, anterior horn of lateral meniscus, right knee
M23.342 - Other meniscus derangements, anterior horn of lateral meniscus, left knee
M23.349 - Other meniscus derangements, anterior horn of lateral meniscus, unspecified knee
M23.35 - Other meniscus derangements, posterior horn of lateral meniscus
M23.351 - Other meniscus derangements, posterior horn of lateral meniscus, right knee