ICD-10 diagnosis code
Q98.1 Klinefelter syndrome, male with more than two X chromosomes
Q98.1 is the ICD-10 code for Klinefelter syndrome, male with more than two X chromosomes. It is a four-character subcategory of Q98 (Other sex chromosome abnormalities, male phenotype, not elsewhere classified), the most specific level in the WHO edition. It belongs to the block Q90–Q99 (Chromosomal abnormalities, not elsewhere classified) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.
- Code type
- Subcategory (4 characters)
- Chapter
- XVII · Q00–Q99
- Classification
- WHO ICD-10, 2019 version
Q98.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q98.1Klinefelters syndrom hos man med mer än två X-kromosomer
Q98.1Klinefelters syndrom hos mann med mer enn to X-kromosomer
DQ981Klinefelters syndrom hos mand med flere end to X-kromosomer
Q98.1Klinefelterin oireyhtymä, mies, jolla enemmän kuin kaksi X-kromosomia ja yksi Y-kromosomi
Q98.1Klinefelter-Syndrom, männlicher Phänotyp mit mehr als zwei X-Chromosomen
Q98.1Syndrome de Klinefelter, homme avec plus de deux chromosomes X
Q98.1syndroom van Klinefelter, mannelijk met meer dan twee X-chromosomen
Q98.1Klinefelter syndrome, male with more than two X chromosomes
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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