ICD-9-CM 243 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 243 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Congenital iodine deficiency syndrome, myxedematous ty
Congenital iodine deficiency syndrome, myxedematous type
Congenital iodine deficiency syndrome, neurological type
Endemic congenital iodine deficiency syndrome of myxedematous type
Endemic cretinism
Hypothyroidism, congenital
Clinical Information
A condition in infancy or early childhood due to an in-utero deficiency of thyroid hormones that can be caused by genetic or environmental factors, such as thyroid dysgenesis or hypothyroidism in infants of mothers treated with thiouracil during pregnancy. Endemic cretinism is the result of iodine deficiency. Clinical symptoms include severe mental retardation, impaired skeletal development, short stature, and myxedema
A deficiency of thyroid hormone present at birth. The etiology can be genetic or environmental, or a combination of both; treatment is based on severity and causality
Condition due to congenital lack of thyroid hormone, marked by arrested physical and mental development, dystrophy of the bones and soft parts, and lowered basal metabolism; it is the congenital form of thyroid deficiency, while myxedema is the acquired form