Q98 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Other sex chromosome abnormalities, male phenotype, not elsewhere classified.
Codes
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
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code