Down syndrome - Q90

 Use Additional

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

 Category codeAlso

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

 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