BC43.3ICD-11 MMS 2026-01
Endocardial fibroelastosis
Description
Endocardial fibroelastosis is the formation of a marked fibro-elastic thickening of the subendocardium in one or both cardiac ventricles. A disorder of fetuses and infants, secondary causes include congenital left-sided obstructive cardiac lesions, metabolic disorders, autoimmune disease (anti-Ro/anti-La antibodies), and transplacental viral infection such as mumps. Primary endocardial fibroelastosis has been linked to recessive and x-linked inheritance, such as with Barth syndrome.
Index terms
- Endocardial fibroelastosis
- EFE - [endocardial fibroelastosis]
- congenital endocardial fibroelastosis
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- congenital valvular endocarditis (deprecated)
- elastomyofibrosis
- endomyocardial fibroelastosis
- fetal endocarditis
- fibroelastosis
- fibroelastosis cordis
- primary endocardial fibroelastosis
- Congenital endocarditis
- Congenital cardiomyopathy
- Congenital familial cardiomyopathy
- Congenital subendocardial sclerosis
Exclusions from above levels
Sibling codes
BC43.0– Dilated cardiomyopathyBC43.1– Hypertrophic cardiomyopathyBC43.2– Restrictive cardiomyopathyBC43.4– Cardiomyopathy due to drugs or other external agentsBC43.5– Stress-induced cardiomyopathyBC43.6– Arrhythmogenic ventricular cardiomyopathyBC43.7– Diabetic cardiomyopathyBC43.Y– Other specified cardiomyopathyBC43.Z– Cardiomyopathy, unspecified
Foundation entity
Endocardial fibroelastosis – http://id.who.int/icd/entity/1971033419
Allowed postcoordination axes
Part of: BC43: Cardiomyopathy › 11: Diseases of the circulatory system