G91.1 Obstructive hydrocephalus

The following code(s) above G91.1 may contain annotation back-references that may be applicable to G91.1:

• Diseases of the nervous system (G00-G99)

Diagnosis Index

Block, Blocked
- Foramen Magendie G91.1
Hydrocephalus G91.9
- Foramen Magendie Block G91.1
- Noncommunicating G91.1
- Obstructive G91.1
Obstruction, Obstructed, Obstructive
- Aqueduct Of Sylvius G91.1
Occlusion, Occluded
- Aqueduct Of Sylvius G91.1
- Ventricle NEC G91.1
Stenosis, Stenotic - see also Stricture
- Aqueduct Of Sylvius Q03.0
-- Acquired G91.1
Stricture - see also Stenosis
- Aqueduct Of Sylvius Q03.0
-- Acquired G91.1