ICD-10 Code G91.1 – Obstructive Hydrocephalus (2026): Diagnosis, Symptoms & Billing Guide
The ICD-10 code for Obstructive hydrocephalus is G91.1.2026 ICD-10-CM Diagnosis Code G91.1 – Obstructive hydrocephalus Related ICD-10 Codes Parent code: G91 – Hydrocephalus Other codes in same category: G91.0 – Communicating hydrocephalus, G91.2 – (Idiopathic) normal pressure hydrocephalus, G91.3 – Post-traumatic hydrocephalus, unspecified, G91.4 – Hydrocephalus in diseases classified elsewhere, G91.8 – Other hydrocephalus, G91.9…