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Start free with EleplanAbnormal number of coronary ostia
ORPHA:99089Morphological anomaly
What it is
A rare, congenital, non-syndromic heart malformation characterized by more or less than one coronary ostium at the left and at the right aortic sinus of Valsalva. It may be asymptomatic or it leads to myocardial ischemia and technical difficulties during coronary angiography.
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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