Q90 - Down syndrome
Use Additional Code:
-code(s) to identify any associated physical conditions and degree of intellectual disabilities (F70-F79)
Q90.0 - Trisomy 21, nonmosaicism (meiotic nondisjunction)
Q90.1 - Trisomy 21, mosaicism (mitotic nondisjunction)
Q90.2 - Trisomy 21, translocation
Q90.9 - Down syndrome, unspecified