ICD-11 definition : Communicating hydrocephalus, also known as non-obstructive hydrocephalus, is caused
by impaired cerebrospinal fluid reabsorption in the absence of any CSF-flow obstruction
between the ventricles and subarachnoid space.;
Communicating hydrocephalus, also known as non-obstructive hydrocephalus, is caused
by impaired cerebrospinal fluid reabsorption in the absence of any CSF-flow obstruction
between the ventricles and subarachnoid space.