Q98.1 Klinefelter syndrome, male with more than two X chromosomes
Instructional Notes:
-
Q98.1
Description: Klinefelter syndrome, male with more than two X chromosomes
↓
-
Q98
Description: Other sex chromosome abnormalities, male phenotype, not elsewhere classified
↓
-
Q90-Q99
Description: Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Exclude2:
- mitochondrial metabolic disorders (E88.4-)
↓
-
Q00-Q99
Description: Congenital malformations, deformations and chromosomal abnormalities
Exclude2:
- inborn errors of metabolism (E70-E88)
Notes:
- Codes from this chapter are not for use on maternal records