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M23.57: Chronic instability of knee: Capsular ligament

For some time your knee joint has not been as stable as it normally is.

The knee joint is stabilized by various ligaments. The cruciate ligaments are on the inside of the knee joint. There is an anterior and a posterior cruciate ligament. The cruciate ligaments restrict the forward and backward movement of the lower leg. The collateral ligaments sit to the right and left of the knee. There is a medial and a lateral collateral ligament. The collateral ligaments stabilize the knee, when standing in particular.

One or more ligaments in your knee are not tight enough. If ligaments in your knee are not tight enough, the knee is less stable. Your lower leg can move more than normal in relation to your thigh.

If your knee joint is less stable than normal, your knee may be sore. You may no longer be able to move your knee properly because of the pain. You may also feel less steady when walking or standing.

Additional indicator

On medical documents, the ICD code is often appended by letters that indicate the diagnostic certainty or the affected side of the body.

  • G: Confirmed diagnosis
  • V: Tentative diagnosis
  • Z: Condition after
  • A: Excluded diagnosis
  • L: Left
  • R: Right
  • B: Both sides

Further information

Note

This information is not intended for self-diagnosis and does not replace professional medical advice from a doctor. If you find an ICD code on a personal medical document, please also note the additional indicator used for diagnostic confidence.
Your doctor will assist you with any health-related questions and explain the ICD diagnosis code to you in a direct consultation if necessary.

Source

Provided by the non-profit organization “Was hab’ ich?” gemeinnützige GmbH on behalf of the Federal Ministry of Health (BMG).