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