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G91 Hydrocephalus

Non-Billable/Non-Specific

Includes

  • acquired hydrocephalus

Type 1 Excludes

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

Codes

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