Q90-Q99: Chromosomal abnormalities, not elsewhere classified
Q98: Other sex chromosome abnormalities, male phenotype, not elsewhere classified
Subcodes of Q98:
- Q98.0: Klinefelter syndrome karyotype 47,XXY
- Q98.1: Klinefelter syndrome, male with more than two X chromosomes
- Q98.2: Klinefelter syndrome, male with 46,XX karyotype
- 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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