M23

Non-Billable

Internal derangement of knee

M23 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • M23.0Cystic meniscus
  • M23.2Derangement of meniscus due to old tear or injury
  • M23.3Other meniscus derangements
  • M23.4Loose body in knee
  • M23.5Chronic instability of knee
  • M23.6Other spontaneous disruption of ligament(s) of knee
  • M23.8Other internal derangements of knee
  • M23.9Unspecified internal derangement of knee
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