Q99.2 Fragile X chromosome
Billable / valid for submission ICD10CM Release FY2026
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|---|---|---|---|
| FY2026 | 2025-10-01 | current | Fragile X chromosome | yes |
Related codes in Q99
- Q99 Other chromosome abnormalities, not elsewhere classified
- Q99.0 Chimera 46, XX/46, XY
- Q99.1 46, XX true hermaphrodite
- Q99.8 Other specified chromosome abnormalities
- Q99.81 Usher syndrome
- Q99.811 Usher syndrome, type 1
- Q99.812 Usher syndrome, type 2
- Q99.813 Usher syndrome, type 3
- Q99.818 Other Usher syndrome
- Q99.819 Usher syndrome, unspecified
- Q99.89 Other specified chromosome abnormalities
- Q99.9 Chromosomal abnormality, unspecified