ICD-Code R21: Rash and other nonspecific skin eruption

You have a rash.

The appearance of a rash can vary greatly. Often the skin is reddened. Sometimes the skin becomes discolored or sores form on the skin.

There are many different reasons for a rash. You may not be able to tolerate certain foods or medicines, for example. Various illnesses can also cause a rash. These include inflammation from pathogens, for example.

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.

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

Source

The explanation of the ICD code was provided by the non-profit organization “Was hab’ ich?” gemeinnützige GmbH on behalf of the Federal Ministry of Health (BMG).