Q91 – Trisomy 18 and Trisomy 13
Coding Notes
Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions
Child Codes
Sibling Codes
View in Tabular
| Code | Title |
|---|---|
| Q00-Q99 | Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) |
| Q90-Q99 | Chromosomal abnormalities, not elsewhere classified (Q90-Q99) |
| Q91 | Trisomy 18 and Trisomy 13 |
| Q91.0 | Trisomy 18, nonmosaicism (meiotic nondisjunction) |
| Q91.1 | Trisomy 18, mosaicism (mitotic nondisjunction) |
| Q91.2 | Trisomy 18, translocation |
| Q91.3 | Trisomy 18, unspecified |
| Q91.4 | Trisomy 13, nonmosaicism (meiotic nondisjunction) |
| Q91.5 | Trisomy 13, mosaicism (mitotic nondisjunction) |
| Q91.6 | Trisomy 13, translocation |
| Q91.7 | Trisomy 13, unspecified |