 M23 |
 |
Internal derangement of knee  |
| |
| Excludes1 |
ankylosis (M24.66)
deformity of knee (M21.-)
osteochondritis dissecans (M93.2)
|
| Excludes2 |
current injury - see injury of knee and lower leg (S80-S89)
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 |
| |
| Cystic meniscus, unspecified lateral meniscus | | Cystic meniscus, unspecified medial 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 |
| |
| Derangement of unspecified lateral meniscus due to old tear or injury | | Derangement of unspecified medial 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 |
| |
| Degenerate meniscus | | Detached meniscus | | Retained meniscus |
|
| |
| M23.30 |
|
Other meniscus derangements, unspecified meniscus |
| |
| Other meniscus derangements, unspecified lateral meniscus | | Other meniscus derangements, unspecified medial 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 |
| | |
| M23.352 |
|
Other meniscus derangements, posterior horn of lateral meniscus, left knee |
| | |
| M23.359 |
|
Other meniscus derangements, posterior horn of lateral meniscus, unspecified knee |
| | | |
| M23.36 |
|
Other meniscus derangements, other lateral meniscus |
| |
| M23.361 |
|
Other meniscus derangements, other lateral meniscus, right knee |
| | |
| M23.362 |
|
Other meniscus derangements, other lateral meniscus, left knee |
| | |
| M23.369 |
|
Other meniscus derangements, other lateral meniscus, unspecified knee |
| | |
| |
| M23.4 |
|
Loose body in knee |
| |
| M23.40 |
|
Loose body in knee, unspecified knee |
| | |
| M23.41 |
|
Loose body in knee, right knee |
| | |
| M23.42 |
|
Loose body in knee, left knee |
| |
| |
| M23.5 |
|
Chronic instability of knee |
| |
| M23.50 |
|
Chronic instability of knee, unspecified knee |
| | |
| M23.51 |
|
Chronic instability of knee, right knee |
| | |
| M23.52 |
|
Chronic instability of knee, left knee |
| |
| |
| M23.6 |
|
Other spontaneous disruption of ligament(s) of knee |
| |
| M23.60 |
|
Other spontaneous disruption of unspecified ligament of knee |
| |
| M23.601 |
|
Other spontaneous disruption of unspecified ligament of right knee |
| | |
| M23.602 |
|
Other spontaneous disruption of unspecified ligament of left knee |
| | |
| M23.609 |
|
Other spontaneous disruption of unspecified ligament of unspecified knee |
| | | |
| M23.61 |
|
Other spontaneous disruption of anterior cruciate ligament of knee |
| |
| M23.611 |
|
Other spontaneous disruption of anterior cruciate ligament of right knee |
| | |
| M23.612 |
|
Other spontaneous disruption of anterior cruciate ligament of left knee |
| | |
| M23.619 |
|
Other spontaneous disruption of anterior cruciate ligament of unspecified knee |
| | | |
| M23.62 |
|
Other spontaneous disruption of posterior cruciate ligament of knee |
| |
| M23.621 |
|
Other spontaneous disruption of posterior cruciate ligament of right knee |
| | |
| M23.622 |
|
Other spontaneous disruption of posterior cruciate ligament of left knee |
| | |
| M23.629 |
|
Other spontaneous disruption of posterior cruciate ligament of unspecified knee |
| | | |
| M23.63 |
|
Other spontaneous disruption of medial collateral ligament of knee |
| |
| M23.631 |
|
Other spontaneous disruption of medial collateral ligament of right knee |
| | |
| M23.632 |
|
Other spontaneous disruption of medial collateral ligament of left knee |
| | |
| M23.639 |
|
Other spontaneous disruption of medial collateral ligament of unspecified knee |
| | | |
| M23.64 |
|
Other spontaneous disruption of lateral collateral ligament of knee |
| |
| M23.641 |
|
Other spontaneous disruption of lateral collateral ligament of right knee |
| | |
| M23.642 |
|
Other spontaneous disruption of lateral collateral ligament of left knee |
| | |
| M23.649 |
|
Other spontaneous disruption of lateral collateral ligament of unspecified knee |
| | | |
| M23.67 |
|
Other spontaneous disruption of capsular ligament of knee |
| |
| M23.671 |
|
Other spontaneous disruption of capsular ligament of right knee |
| | |
| M23.672 |
|
Other spontaneous disruption of capsular ligament of left knee |
| | |
| M23.679 |
|
Other spontaneous disruption of capsular ligament of unspecified knee |
| | |
| |
| M23.8 |
|
Other internal derangements of knee |
| |
| Laxity of ligament of knee | | Snapping knee |
|
| |
| M23.8X |
|
Other internal derangements of knee |
| |
| M23.8X1 |
|
Other internal derangements of right knee |
| | |
| M23.8X2 |
|
Other internal derangements of left knee |
| | |
| M23.8X9 |
|
Other internal derangements of unspecified knee |
| | |
| |
| M23.9 |
|
Unspecified internal derangement of knee |
| |
| M23.90 |
|
Unspecified internal derangement of unspecified knee |
| | |
| M23.91 |
|
Unspecified internal derangement of right knee |
| | |
| M23.92 |
|
Unspecified internal derangement of left knee |
| |