ICD-11 classes
15 Diseases of the musculoskeletal system or connective...
Symptoms, signs or clinical findings of the musculoskeletal...
Symptoms or signs of the musculoskeletal system
MB47 — Abnormality of tonus and reflex
MB47.9 — Myotonia

ICD-11 MB47.9 — Myotonia

Slow relaxation of the muscles after voluntary contraction

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 #24180
• Abnormality of tonus and reflex #24781