Q982026
Non-billable
Other sex chromosome abnormalities, male phenotype, not elsewhere classified
Clinical Notes
Frequently Asked Questions
Code Hierarchy
Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Down syndrome
Trisomy 18 and Trisomy 13
Other trisomies and partial trisomies of the autosomes, not elsewhere classified
Monosomies and deletions from the autosomes, not elsewhere classified
Balanced rearrangements and structural markers, not elsewhere classified
Turner's syndrome
Other sex chromosome abnormalities, female phenotype, not elsewhere classified
Q98
Other sex chromosome abnormalities, male phenotype, not elsewhere classifiedKlinefelter syndrome karyotype 47, XXY
Klinefelter syndrome, male with more than two X chromosomes
Other male with 46, XX karyotype
Klinefelter syndrome, unspecified
Karyotype 47, XYY
Male with structurally abnormal sex chromosome
Male with sex chromosome mosaicism
Other specified sex chromosome abnormalities, male phenotype
Sex chromosome abnormality, male phenotype, unspecified
Other chromosome abnormalities, not elsewhere classified
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12,117 Medicare hospitalizations across 5 DRGs for codes in Q98
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Official Guidelines
Chapter 17: Congenital Malformations
Official coding guidelines for Q00-Q99