U.S. ICD-10-CM reference · FY2027
Fast ICD-10-CM Hub
Get updates
Q03Category · further specificity requiredCurrent

Congenital hydrocephalus

HierarchyQ00-Q07 · Q03

Code-level instructions

Includes

hydrocephalus in newborn

Excludes 1
  • Arnold-Chiari syndrome, type II (Q07.0-)
  • acquired hydrocephalus (G91.-)
  • hydrocephalus due to congenital toxoplasmosis (P37.1)
  • hydrocephalus with spina bifida (Q05.0-Q05.4)

Inherited instructions

Chapters 17 · Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)

Excludes 2

inborn errors of metabolism (E70-E88)

Note

Codes from this chapter are not for use on maternal records

More specific codes

Q03.0Malformations of aqueduct of SylviusBillable / specificQ03.1Atresia of foramina of Magendie and LuschkaBillable / specificQ03.8Other congenital hydrocephalusBillable / specificQ03.9Congenital hydrocephalus, unspecifiedBillable / specific
Code edition