Diagnosis Code

Q90 DOWN SYNDROME


Code Information

Diagnosis Code: Q90

Short Description: Down syndrome

Long Description: Down syndrome

The code Q90 is NOT VALID for claim submission

Code Classification:

  • Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
      • Down syndrome (Q90)
        • Q90 Down syndrome

Code Version: 2022 ICD-10-CM


References to Index of Diseases and Injuries

The code Q90 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Code Also:
    • associated physical condition(s), such as atrioventricular septal defect (@Q21.2*-)

Similar Codes

ICD-10 Code ICD-10 Description
Q90.0 Trisomy 21, nonmosaicism (meiotic nondisjunction)
Q90.1 Trisomy 21, mosaicism (mitotic nondisjunction)
Q90.2 Trisomy 21, translocation
Q90.9 Down syndrome, unspecified


This page was last updated on: 10/1/2023