Hydrocephalus in diseases classified elsewhere G91.4

  • G91.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM G91.4 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of G91.4 - other international versions of ICD-10 G91.4 may differ.
Code First:
  • underlying condition, such as:
  • congenital syphilis (A50.4-)
  • neoplasm (C00-D49)
  • plasminogen deficiency (E88.02)
Type 1 Excludes:
  • hydrocephalus due to congenital toxoplasmosis (P37.1)

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.