ICD-10-CM>Q00-QA1>Q00-Q07>Q03Q03Congenital hydrocephalusNon-Billable/Non-SpecificIncludeshydrocephalus in newbornType 1 ExcludesArnold-Chiari syndrome, type II (Q07.0-)acquired hydrocephalus (G91.-)hydrocephalus due to congenital toxoplasmosis (P37.1)hydrocephalus with spina bifida (Q05.0-Q05.4)CodesQ03.0Malformations of aqueduct of SylviusQ03.1Atresia of foramina of Magendie and LuschkaQ03.8Other congenital hydrocephalusQ03.9Congenital hydrocephalus, unspecified