ICD-11 classes
08 Diseases of the nervous system
Movement disorders
8A00 — Parkinsonism
8A00.1 — Atypical parkinsonism
ICD-11 8A00.1 — Atypical parkinsonism
Atypical parkinsonism is a term used to describe several neurodegenerative conditions where the degeneration extends beyond the substantia nigra and is more extensive than seen in conditions like Parkinson disease. The clinical picture is often more complex than PD and patients may have apraxia, supranuclear ophthalmoplegia or autonomic failure.
The diagnosis includes nothing.
The diagnosis excludes nothing.
Diagnosis with code 8A00.1 contains 5 clarifying diagnoses:
- 8A00.10 — Progressive supranuclear palsy
- 8D87.01 — Multiple system atrophy, Parkinsonism
- 8A22 — Lewy body disease
- 8A00.1Y — Other specified atypical parkinsonism
- 8A00.1Z — Atypical parkinsonism, unspecified
The diagnosis is included in 2 other classes.
- Multiple system atrophy, Parkinsonism (8D87.01)
- Lewy body disease (8A22)