Q90
Q90: Down syndrome
Non-billable headerICD-10-CM
Q90 is a non-billable header ICD-10-CM code for down syndrome. It cannot be billed on its own: choose one of the more specific child codes below.
Use additional code
Add a secondary code to capture the detail described below.
Code also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
- associated physical condition(s), such as atrioventricular septal defect (Q21.2-)
Other codes that can never be billed with Q90
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead Q90
4 child codes. Green means billable.