F45.1: Undifferentiated somatoform disorder

You have various symptoms for which there is no satisfactory physical cause.

You have various recurring physical symptoms. Possible symptoms are, for example, pain, nausea and diarrhea. Your symptoms are also being caused by mental issues. There are no physical causes that properly explain your symptoms.

Nonetheless, the person may be convinced that there has to be a purely physical cause for their symptoms. The person may also be extremely preoccupied by their symptoms. The symptoms may also affect relationships with other people.


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 diagnostic confidence indicator.
Your doctor will assist you with any health-related questions and explain the ICD 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).

Further articles

Non-specific physical disorders (functional somatic syndromes)

Many people experience persistent somatic symptoms with no clear medical cause. Functional somatic syndromes can be caused by stress and conflict.