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Disorders which involve congenital anomalies are defined with:

• Occurrence (attribute) = Congenital (qualifier value)

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• Associated morphology (attribute) =

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• Morphologically abnormal structure (morphologic abnormality) 
• Pathological process (attribute) = Pathological development process (qualifier value)

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Therefore, congenital does not need to be represented as the Associated morphology (attribute) target value.  Congenital anomaly morphology concepts usually concepts usually have non-congenital parents.