Q91.1 Trisomy 18, mosaicism (mitotic nondisjunction)
Billable / valid for submission ICD10CM Release FY2026
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|---|---|---|---|
| FY2026 | 2025-10-01 | current | Trisomy 18, mosaicism (mitotic nondisjunction) | yes |
Related codes in Q91
- Q91 Trisomy 18 and Trisomy 13
- Q91.0 Trisomy 18, nonmosaicism (meiotic 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