Q90.9

Down syndrome, unspecified

Billable FY2026 2025-10-01 → 2026-09-30

This is the unspecified option. 3 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.

Exclusions 1 never code together

Excludes2

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 3

Q90code

Use additional code

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

Code also

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

Inclusion terms

Index entries leading here 3

Alongside this code 3 same parent — Q90

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.