G91.1✓ Billable
Obstructive hydrocephalus
Also Indexed As(ICD-10-CM Alphabetic Index)
These clinical terms, synonyms, and manifestations all map to G91.1 in the official ICD-10-CM Alphabetic Index.
Block, blocked, foramen Magendie (acquired)Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent), foramen Magendie block (acquired)Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent), noncommunicatingHydrocephalus (acquired) (external) (internal) (malignant) (recurrent), obstructiveObstruction, obstructed, obstructive, aqueduct of SylviusOcclusion, occluded, aqueduct of SylviusOcclusion, occluded, ventricle (brain) NECStenosis, stenotic (cicatricial), aqueduct of Sylvius (congenital), acquiredStricture, aqueduct of Sylvius (congenital), acquired
Code Hierarchy
┌6Diseases of the nervous system (G00-G99)├G89-G99Other disorders of the nervous system (G89-G99)├G91Hydrocephalus
└G91.1Obstructive hydrocephalus
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