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G91

Non-Billable (Header)

Hydrocephalus

Includes

  • acquired hydrocephalus

Excludes 1 — Do NOT code together

  • Arnold-Chiari syndrome with hydrocephalus (Q07.-)
  • congenital hydrocephalus (Q03.-)
  • spina bifida with hydrocephalus (Q05.-)

Child Codes

G91.0Communicating hydrocephalus
HCC 127
G91.1Obstructive hydrocephalus
HCC 127
G91.2(Idiopathic) normal pressure hydrocephalus
HCC 127
G91.3Post-traumatic hydrocephalus, unspecified
HCC 127
G91.4Hydrocephalus in diseases classified elsewhere
HCC 127
G91.8Other hydrocephalus
HCC 127
G91.9Hydrocephalus, unspecified
HCC 127

Code Hierarchy

└G91Hydrocephalus
└G91Hydrocephalus

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