ICD-11 code : LD50.1;
Preferred Label : Karyotype 47,XXX;
ICD-11 definition : Trisomy X is a sex chromosome anomaly with a variable phenotype caused by the presence
of an extra X chromosome in females (47,XXX instead of 46,XX). Most individuals are
only mildly affected or asymptomatic, the most common physical features including
tall stature, epicanthal folds, hypotonia and clinodactyly, with seizures, renal and
genitourinary abnormalities, and premature ovarian failure being also associated findings.;
ICD-11 synonym : xxx syndrome; trisomy x syndrome; triple x syndrome; triple x; triple X female; female triple x syndrome;
Origin ID : 423644907;
UMLS CUI : C0221033;
Currated CISMeF NLP mapping
ICD-10 Mapping
Semantic type(s)
UMLS correspondences (same concept)
Trisomy X is a sex chromosome anomaly with a variable phenotype caused by the presence
of an extra X chromosome in females (47,XXX instead of 46,XX). Most individuals are
only mildly affected or asymptomatic, the most common physical features including
tall stature, epicanthal folds, hypotonia and clinodactyly, with seizures, renal and
genitourinary abnormalities, and premature ovarian failure being also associated findings.