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Start free with EleplanAnomaly of the mitral subvalvular apparatus
ORPHA:101932Morphological anomaly
What it is
A group of rare congenital mitral malformations characterized by anomalies of the chordae tendineae and papillary muscles. This comprises anomalous mitral arcade or hammock valve (due to thickened and extremely short chordae tendineae), straddling valve (abnormal attachment of the chordae tendineae to both ventricles), and parachute valve (unifocal attachment of the chordae tendineae to a single or fused papillary muscle), resulting in an incompetent valve with regurgitation and/or stenosis and impaired left ventricular inflow, potentially leading to heart failure. In most cases, other cardiac anomalies are found in association.
Key facts
- Classified as
- Morphological anomaly
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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