740.0 is a billable ICD-9-CM medical code that can be used to specify a diagnosis on a reimbursement claim.
Diagnosis Definition(s)
congenital malformation of the nervous system caused by failure of the anterior neuropore to close; infants are born with intact spinal cords, cerebellums, and brainstems, but lack formation of neural structures above this level; the skull is only partially formed but the eyes are usually normal; affected infants are only capable of primitive reflexes and usually do not survive for more than two weeks; complete absence of the brain is rare.
Also applicable to/known as
Acrania
Amyelencephalus
Hemianencephaly
Hemicephaly
ICD-9-CM Volume 2 Index Entries That Refer To 740.0
2010 ICD-9-CM Diagnosis Code 740.0
740.0
