ICD-11 code : LD40.0;
Preferred Label : Complete trisomy 21;
ICD-11 definition : Trisomy 21 is a chromosomal abnormality, characterised by the presence of a third
(partial or total) copy of chromosome 21, which clinical manifestations include variable
intellectual deficiency, muscular hypotonia and joint laxity, often associated with
facial dysmorphism and variable malformations (essentially heart and digestive) and
a risk of complications (epilepsy, leukemia, auto-immune and endocrine pathologies,
earlier aging and Alzheimer disease.;
ICD-11 synonym : Trisomy 21 NOS; Chromosome 21 trisomy; Trisomy 21 syndrome; abnormal autosomes 21; Down syndrome;
ICD-11 inclusion : Down syndrome;
Origin ID : 1624623908;
Automatic exact mappings (from CISMeF team)
Currated CISMeF NLP mapping
ICD-10 Mapping
Trisomy 21 is a chromosomal abnormality, characterised by the presence of a third
(partial or total) copy of chromosome 21, which clinical manifestations include variable
intellectual deficiency, muscular hypotonia and joint laxity, often associated with
facial dysmorphism and variable malformations (essentially heart and digestive) and
a risk of complications (epilepsy, leukemia, auto-immune and endocrine pathologies,
earlier aging and Alzheimer disease.