Documentation
Severity bands: 0 none · 1–4 minor · 5–15 moderate ·
16–20 moderate–severe · 21–42 severe.
NIHSS quantifies deficit severity. It is not by itself a treatment decision —
read it alongside time of onset, imaging and contraindications.
UN items (amputation or joint fusion, intubation) are recorded and
contribute 0 to the total.