Current

Q90 — Down syndrome

Part of Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders , block Chromosomal abnormalities, not elsewhere classified (Q90-Q99) .

Official Notes

Code Also

associated physical condition(s), such as atrioventricular septal defect ( Q21.2- )

Use Additional Code

code(s) to identify any associated degree of intellectual disabilities (F70-F79)

Child Codes

FY 2027 effective October 1, 2026 · CDC NCHS and CMS