Down syndrome - Q90

 Use Additional

• code(s) to identify any associated physical conditions and degree of intellectual disabilities (F70-F79)

 Codes

• Q90.0 - Trisomy 21, nonmosaicism (meiotic nondisjunction)
• Q90.1 - Trisomy 21, mosaicism (mitotic nondisjunction)
• Q90.2 - Trisomy 21, translocation
• Q90.9 - Down syndrome, unspecified