ICD-11 classes
08 Diseases of the nervous system
Movement disorders
8A01 — Choreiform disorders
8A01.2 — Hemichorea or hemiballismus
ICD-11 8A01.2 — Hemichorea or hemiballismus
Ballism, meaning to throw in Greek, refers to violent, irregular flinging movements of the limbs primarily due to contractions of the proximal muscles. Hemiballism refers to movements involving upper and lower extremities on the same side with or without involvement of the face.Hemichorea refers to hemibody chorea with brief non repetitive jerks affecting arm and leg on one side with or without involvement of the face.
The diagnosis includes nothing.
The diagnosis excludes nothing.
Diagnosis with code 8A01.2 contains 5 clarifying diagnoses:
- 8A01.20 — Hemichorea
- 8A01.21 — Ballism
- 8A01.22 — Hemiballism
- 8A01.2Y — Other specified hemichorea or hemiballismus
- 8A01.2Z — Hemichorea or hemiballismus, unspecified