Q98: Other sex chromosome abnormalities, male phenotype, not elsewhere classified

Codes under Q98 (Other sex chromosome abnormalities, male phenotype, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
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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