L50.2: Urticaria due to cold and heat

You have a rash on your skin. Certain areas of your skin are swollen and very itchy.

In your case, the rash has been triggered by cold or heat.

The symptoms can vary in their severity. Certain areas of the skin usually swell up. These areas are often very itchy and red. The symptoms are similar to those that come from contact with stinging nettles.

The rash usually fades away again after a short time. The rash may keep appearing.

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).