Absence (of) (organ or part) (complete or partial), skull bone (congenital)

Q75.8
with
with, anencephalyQ00.0
with, encephaloceleSee Encephalocele
with, hydrocephalusQ03.9
with, hydrocephalus, with spina bifidaSee Spina bifida, by site, with hydrocephalus
with, microcephalyQ02