ICD-10-CM code "Q98": Other sex chromosome abnormalities, male phenotype, not elsewhere classified (2024)

Excludes

1. Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

   Type 2inborn errors of metabolism (E70-E88)

2. Chromosomal abnormalities, not elsewhere classified (Q90-Q99)

   Type 2mitochondrial metabolic disorders (E88.4-)

3. Other sex chromosome abnormalities, male phenotype, not elsewhere classified (Q98)

Includes

1. Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
2. Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
3. Other sex chromosome abnormalities, male phenotype, not elsewhere classified (Q98)

Subcategories

• Klinefelter syndrome karyotype 47, XXY (Q98.0)
• Klinefelter syndrome, male with more than two X chromosomes (Q98.1)
• Other male with 46, XX karyotype (Q98.3)
• Klinefelter syndrome, unspecified (Q98.4)
• Karyotype 47, XYY (Q98.5)
• Male with structurally abnormal sex chromosome (Q98.6)
• Male with sex chromosome mosaicism (Q98.7)
• Other specified sex chromosome abnormalities, male phenotype (Q98.8)
• Sex chromosome abnormality, male phenotype, unspecified (Q98.9)