M86.03: Acute haematogenous osteomyelitis Forearm

The bone marrow in your forearm has become inflamed.

The bone marrow is inside the bone. The blood cells are formed in the bone marrow.

There can be different reasons why your blood marrow has become inflamed. Pathogens have got into the bone in your lower arm via your blood. Your bone marrow has become inflamed in those areas. Your bone marrow has very suddenly become inflamed.

Bone marrow inflammation can also spread to the surrounding bone. When bone or bone marrow is inflamed, the area can be painful or red. The relevant part of the body usually becomes less mobile, too. One may have a high temperature or feel unwell.

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 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.


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