Q98.1 Klinefelter syndrome, male with more than two X chromosomes
Billable / valid for submission ICD10CM Release FY2026
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|---|---|---|---|
| FY2026 | 2025-10-01 | current | Klinefelter syndrome, male with more than two X chromosomes | yes |
Related codes in Q98
- Q98 Other sex chromosome abnormalities, male phenotype, not elsewhere classified
- Q98.0 Klinefelter syndrome karyotype 47, XXY
- Q98.3 Other male with 46, XX karyotype
- Q98.4 Klinefelter syndrome, unspecified
- Q98.5 Karyotype 47, XYY
- Q98.6 Male with structurally abnormal sex chromosome
- Q98.7 Male with sex chromosome mosaicism
- Q98.8 Other specified sex chromosome abnormalities, male phenotype
- Q98.9 Sex chromosome abnormality, male phenotype, unspecified