Medication adverse effects and movement disorders
Simpson-Angus Scale (SAS)
Simpson-Angus Scale (SAS) — administration and scoring reference.
Reference information · Official-form reference
- Last content update
- 2026-10-26
- Clinical review
- Not independently reviewed
- Source jurisdiction
- See individual sources
- Coverage
- Official-form reference
| Field | Instrument context |
|---|---|
| Version | Simpson–Angus Scale; clinician examination for drug-induced parkinsonism |
| Respondent | Clinician |
| Purpose | Simpson-Angus Scale (SAS) — administration and scoring reference. |
Administration
Use the exact examination maneuvers and original rating anchors with a trained examiner.
Scoring method
Extrapyramidal examination item ratings aggregated per manual.
Interpretation & limitations
- Report the selected manual’s summary convention with the examination findings and medication history.
- Interpret the findings alongside the clinical interview, functioning, history and relevant physical assessment.
- Modified Simpson–Angus forms and sum/mean summaries are not interchangeable. This examination is not a general screen for every extrapyramidal syndrome.
- Use the original instrument and manual for item wording, rating anchors, missing-data rules and any normative conversions. This reference does not establish a diagnosis or select treatment.