ICD-11 classes
21 Symptoms, signs or clinical findings, not elsewhere...
Symptoms, signs or clinical findings of the nervous system
Symptoms or signs involving the nervous system
MB47 — Abnormality of tonus and reflex
MB47.B — Opisthotonos

ICD-11 MB47.B — Opisthotonos

Arching position of the body due spasm of the axial muscles along the spinal column

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

• Abnormality of tonus and reflex #8925
• Abnormality of tonus and reflex #18489
• Abnormality of tonus and reflex #24781