World Health Organization · 2026-01 · English
Sex chromosome anomalies
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
LD50Number anomalies of chromosome XLD51Structural anomalies of chromosome X, excluding Turner syndromeLD52Number anomalies of chromosome YLD53Structural anomalies of chromosome YLD54Male with sex chromosome mosaicismLD55Fragile X chromosomeLD56Chimaera 46, XX, 46, XYLD5YOther specified sex chromosome anomaliesLD5ZSex chromosome anomalies, unspecified© World Health Organization · CC BY-ND 3.0 IGO