Monarch Disease Ontology identifier MONDO_0015898 (adrenogenital syndrome) is abnormal sex differentiation or congenital disorders of sex development caused by abnormal levels of steroid hormones expressed by the gonads or the adrenal glands, such as in congenital adrenal hyperplasia and adrenal cortex neoplasms. Due to abnormal steroid biosynthesis, clinical features include virilism in females; feminization in males; or precocious sexual development in children. Also known as: adrenogenital disorder, androgenital syndrome.