 
| ICD-10-CM-2023 > Q00-Q99 > Q90-Q99 > Q98 | 
| Q90-Q99 | Chromosomal abnormalities, not elsewhere classified | |
| Excl2.: | mitochondrial metabolic disorders (E88.4-) | |
| Q98 | Other sex chromosome abnormalities, male phenotype, not elsewhere classified | |
| Q98.0 | Klinefelter syndrome karyotype 47, XXY | |
| Q98.1 | Klinefelter syndrome, male with more than two X chromosomes | |
| 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 | |
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