Q98.1
BillableKlinefelter syndrome, male with more than two X chromosomes
Q98.1 is the ICD-10-CM code for Klinefelter syndrome, male with more than two X chromosomes. It is a billable, specific code valid for reimbursement.
Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
No additional coding notes for this code.
Frequently asked questions
- What is ICD-10 code Q98.1?
- Q98.1 is the ICD-10-CM code for "Klinefelter syndrome, male with more than two X chromosomes". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
- Is Q98.1 a billable code?
- Yes — Q98.1 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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