ICD-10 Code: Q90.9 – Down syndrome, unspecified

ICD-10 code Q90.9 corresponds to Down syndrome, unspecified. This code is classified under the chapter Q90 Down syndrome, which is part of the Q90-Q99: Chromosomal abnormalities, not elsewhere classified category.

The parent chapter is Congenital malformations, deformations and chromosomal abnormalities.