Hydrocephalus G91- >

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as G91. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • Arnold-Chiari syndrome with hydrocephalus (
    ICD-10-CM Diagnosis Code Q07
    • Q07 Other congenital malformations of nervous sys...
      • Q07.0 Arnold-Chiari syndrome
        • Q07.00 Arnold-Chiari syndrome without spina bifida o...
        • Q07.01 …… with spina bifida
        • Q07.02 …… with hydrocephalus
        • Q07.03 Arnold-Chiari syndrome with spina bifida and ...
      • Q07.8 Other specified congenital malformations of n...
      • Q07.9 Congenital malformation of nervous system, un...
  • congenital hydrocephalus (
    ICD-10-CM Diagnosis Code Q03
    • Q03 Congenital hydrocephalus
      • Q03.0 Malformations of aqueduct of Sylvius
      • Q03.1 Atresia of foramina of Magendie and Luschka
      • Q03.8 Other congenital hydrocephalus
      • Q03.9 Congenital hydrocephalus, unspecified
  • spina bifida with hydrocephalus (
    ICD-10-CM Diagnosis Code Q05
    • Q05 Spina bifida
      • Q05.0 Cervical spina bifida with hydrocephalus
      • Q05.1 Thoracic spina bifida with hydrocephalus
      • Q05.2 Lumbar spina bifida with hydrocephalus
      • Q05.3 Sacral spina bifida with hydrocephalus
      • Q05.4 Unspecified spina bifida with hydrocephalus
      • Q05.5 Cervical spina bifida without hydrocephalus
      • Q05.6 Thoracic spina bifida without hydrocephalus
      • Q05.7 Lumbar spina bifida without hydrocephalus
      • Q05.8 Sacral spina bifida without hydrocephalus
      • Q05.9 Spina bifida, unspecified
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • acquired hydrocephalus
Clinical Information