ICD-Code F42.0: Predominantly obsessional thoughts or ruminations

You have an obsessive-compulsive disorder characterized by certain ideas or thoughts repeatedly forcing themselves on you.

Obsessive-compulsive disorder is a mental illness. Obsessive-compulsive disorder is where a person thinks or does things compulsively over and over again. These thoughts or actions cannot be avoided. They can be unpleasant and appear nonsensical.

Obsessive-compulsive disorder can affect what a person thinks and does, and how they act with other people. This condition has a range of different physical and psychological causes. It can be very distressing when certain ideas or thoughts keep forcing themselves on you. You might brood a great deal.

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

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.

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).