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G91.4 Hydrocephalus in diseases classified elsewhere
BackG91HydrocephalusCategory7 →G91.0Communicating hydrocephalusCategoryG91.1Obstructive hydrocephalusCategoryG91.2(Idiopathic) normal pressure hydrocephalusCategoryG91.3Post-traumatic hydrocephalus, unspecifiedCategoryG91.4Hydrocephalus in diseases classified elsewhereCategoryG91.8Other hydrocephalusCategoryG91.9Hydrocephalus, unspecifiedCategory
CategoryCODABLE
G91.4
Hydrocephalus in diseases classified elsewhere
EXCLUDES
Excludes1: hydrocephalus due to congenital toxoplasmosis (P37.1)
CODING RULE
Code first: underlying condition, such as:
congenital syphilis (A50.4-)
neoplasm (C00-D49)
plasminogen deficiency (E88.02)
congenital syphilis (A50.4-)
neoplasm (C00-D49)
plasminogen deficiency (E88.02)
- Chapter
- VI · Diseases of the nervous system
- Section
- G89-G99
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.