G91.4
BillableHydrocephalus in diseases classified elsewhere
G91.4 is the ICD-10-CM code for Hydrocephalus in diseases classified elsewhere. It is a billable, specific code valid for reimbursement.
G00-G99 Diseases of the nervous system
Excludes1 — not coded here
- •hydrocephalus due to congenital toxoplasmosis (P37.1)
Code first
Frequently asked questions
- What is ICD-10 code G91.4?
- G91.4 is the ICD-10-CM code for "Hydrocephalus in diseases classified elsewhere". It falls under G00-G99 Diseases of the nervous system.
- Is G91.4 a billable code?
- Yes — G91.4 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from G91.4?
- Excludes1 (not coded here): hydrocephalus due to congenital toxoplasmosis (P37.1).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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