H70.9: Mastoiditis, unspecified

A bone behind your ear is inflamed.

There is a small bony projection on the head behind the ear. It contains small cavities full of air. You can feel this bony projection behind the ear. The bone behind your ear is inflamed. One reason for an inflammation of this bone might be another inflammation of your ear. The inflammation in this bone can cause sudden severe ear pain. One may suddenly feel very sick and get a high temperature. Your hearing may also be worse. The ear may stick out on the affected side. You can then feel a swelling behind the ear on the affected side.

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).