Category Q90
Non-Billable Category
FY2027 Dataset
Q90: Down syndrome
Parent Chapter: Chapter 17: Congenital malformations, deformations and chromosomal abnormalities
Notice on Coding Specificity: Category Q90 is a 3-character heading and cannot be reported directly on healthcare claims. You must assign one of the specific child codes listed below.
Specific Child Codes in Category Q90
| Code | Official Descriptor | Status | Action |
|---|---|---|---|
| Q90.0 | Trisomy 21, nonmosaicism (meiotic nondisjunction) | Billable Code | View Code |
| Q90.1 | Trisomy 21, mosaicism (mitotic nondisjunction) | Billable Code | View Code |
| Q90.2 | Trisomy 21, translocation | Billable Code | View Code |
| Q90.9 | Down syndrome, unspecified | Billable Code | View Code |
| Q90 | Down syndrome | Non-Billable | View Code |