Category Q90

Down syndrome

Clinical Classification Guidelines

Code Also

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

Specific Diagnosis Codes

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