G91.3 is the authoritative medical code for Post-traumatic hydrocephalus, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for post-traumatic hydrocephalus, unspecified (ICD-10-CM G91.3), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Sequencing, inclusion, and exclusion notes published for G91.3 in the official ICD-10-CM tabular list.
Conditions the official ICD-10-CM tabular list includes under this code.
Conditions that can never be reported with this code; the two are mutually exclusive.
Per Excludes1 instructions, G91.3 must not be reported with: Arnold-Chiari syndrome with hydrocephalus (Q07.-); congenital hydrocephalus (Q03.-); spina bifida with hydrocephalus (Q05.-).
Official ICD-10-CM classifications in the same code family as G91.3, with their registry titles.
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: