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
8A68 — Types of seizures
8A68.7 — Generalised atonic seizure

ICD-11 8A68.7 — Generalised atonic seizure

Seizure characterised by sudden loss or diminution of muscle tone without apparent preceding myoclonic or tonic event lasting 1-2 sec, involving head, trunk, jaw, or limb muscles.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

• Types of seizures #6937
• Types of seizures #9044