ICD-10-CM Code M23: Internal derangement of knee and Related Diagnosis Codes.


The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

Tip: Have a specific ICD-10-CM code? Use our simple to use ICD-10-CM Code Lookup tool.

Eclaims - ICD-10-CM Tabular Code List v1.0.0

A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

Questions
Results
  • M23 - Internal derangement of knee
    • 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
        • 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
      • 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

Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.