M77.3: Calcaneal spur

You have a bone spur on your heel bone.

The heel bone is a foot bone. The heel bone shapes the heel. A bone spur has formed on the back or bottom of your heel bone. This may happen, for example, if the foot is put under a lot of strain. A bone spur like this may also form due to inflammation. It may cause pain when walking. It is also possible that you have no symptoms at all. This bone spur on the heel is also known as a heel spur.

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


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 diagnostic confidence indicator.
Your doctor will assist you with any health-related questions and explain the ICD code to you in a direct consultation if necessary.


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