Diagnosis Code: G91

Short Description: Hydrocephalus

Long Description: Hydrocephalus

The code G91 is NOT VALID for claim submission

Code Classification:

• Diseases of the nervous system (G00–G99)
  • Other disorders of the nervous system (G89-G99)
    • Hydrocephalus (G91)
      • G91 Hydrocephalus

Code Version: 2022 ICD-10-CM

References to Index of Diseases and Injuries

The code G91 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Includes Notes:
  • acquired hydrocephalus
• Type 1 Excludes Notes:
  • Arnold-Chiari syndrome with hydrocephalus (@Q07*.-)
  • congenital hydrocephalus (@Q03*.-)
  • spina bifida with hydrocephalus (@Q05*.-)

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This page was last updated on: 10/1/2023

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