ICD-11 classes
08 Diseases of the nervous system
Movement disorders
8A02 — Dystonic disorders
8A02.3 — Functional dystonia or spasms

ICD-11 8A02.3 — Functional dystonia or spasms

Functional movement disorder presenting predominantly with mobile or fixed dystonic posturing which is incongruous with other causes of dystonia and may be responsive to placebo therapy or psychotherapy. Typically a clenched fist, inverted ankle or orbicularis oculis/platysma contraction with onset as a teenager or adult.Functional dystonia or spasms where no cause has been identified after investigation.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.