ICD-11 classes
11 Diseases of the circulatory system
Diseases of the myocardium or cardiac chambers
BC43 — Cardiomyopathy
BC43.1 — Hypertrophic cardiomyopathy
BC43.12 — Obstructive hypertrophic cardiomyopathy

ICD-11 BC43.12 — Obstructive hypertrophic cardiomyopathy

Obstructive hypertrophic cardiomyopathy is hypertrophic cardiomyopathy that manifests sufficient fixed or dynamic narrowing within one or both ventricles to result in a significant pressure gradient between the ventricular apex and the outflow valve (aortic or pulmonary).

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.