Hypercalcemia-Supravalvar Aortic Stenosis
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📋Overview
Hypercalcemia-Supravalvar Aortic Stenosis is a legacy term that refers to a clinical presentation involving elevated blood calcium levels (hypercalcemia) combined with supravalvar aortic stenosis, a narrowing of the ascending aorta above the aortic valve. Supravalvar aortic stenosis is most commonly associated with Williams syndrome, a genetic disorder characterized by cardiovascular abnormalities, distinctive facial features, and developmental delays. The modern preferred terminology separates these findings: hypercalcemia is considered a metabolic abnormality, while supravalvar aortic stenosis is a congenital heart defect often seen in Williams syndrome.
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Medical codes (for reference)
UMLS CUI: C0175702ICD-10-CM
Q93.82
MeSH
D018980
SNOMED CT (US)
63247009
Codes are provided for reference and interoperability. They are not a diagnosis.
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