Trait

Noncompaction cardiomyopathy

A type of cardiomyopathy characterized anatomically by deep trabeculations in the ventricular wall, which define recesses communicating with the main ventricular chamber.

HPO HP:0012817

Also called: Noncompaction of the ventricular myocardium, Spongiform cardiomyopathy
Body system: Abnormality of the cardiovascular system

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10 genes linked to Noncompaction cardiomyopathy

Changes in these genes cause rare conditions in which Noncompaction cardiomyopathy is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.

Gene	How often it is seen	Conditions
DHX9DExH-box helicase 9	Always	In 1 condition
DSTdystonin	Always	In 1 condition
DTNAdystrobrevin alpha	Always	In 1 condition
MYSM1Myb like, SWIRM and MPN domains 1	Sometimes (5–29%)	In 1 condition
RNU4ATACRNA, U4atac small nuclear	Sometimes (5–29%)	In 2 conditions
SDHAsuccinate dehydrogenase complex flavoprotein subunit A	Sometimes (5–29%)	In 1 condition
SDHAF1succinate dehydrogenase complex assembly factor 1	Sometimes (5–29%)	In 1 condition
SDHBsuccinate dehydrogenase complex iron sulfur subunit B	Sometimes (5–29%)	In 1 condition
SDHDsuccinate dehydrogenase complex subunit D	Sometimes (5–29%)	In 1 condition
DNAJC19DnaJ heat shock protein family (Hsp40) member C19	Not recorded	In 1 condition

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Narrower traits

Left ventricular noncompaction cardiomyopathy12 genes

Broader traits

Disease of the heart muscle

Where this comes from

The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
Data release 2026.10.16-c6eea6bf.

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