ICD-11 code : 3A01;
Preferred Label : Megaloblastic anaemia due to vitamin B12 deficiency;
ICD-11 definition : A disease caused by inadequate dietary intake of vitamin B12, impaired absorption
of vitamin B12, surgical removal of the small bowel, coeliac disease or inherited
mutations affecting absorption of vitamin B12. This disease is characterised by decreased
levels of vitamin B12 in the body presenting with or without anaemia. This disease
may present with fatigue, pallor, dizziness, seizures, or symptoms of dementia. Confirmation
is by identification of decreased levels of vitamin B12 in a blood sample.;
ICD-11 "other" category code : 3A01.Y;
ICD-11 "unspecified" category code : 3A01.Z;
Origin ID : 623613402;
UMLS CUI : C0815316;
Automatic exact mappings (from CISMeF team)
- Currated CISMeF NLP mapping
- Semantic type(s)
- UMLS correspondences (same concept)
A disease caused by inadequate dietary intake of vitamin B12, impaired absorption
of vitamin B12, surgical removal of the small bowel, coeliac disease or inherited
mutations affecting absorption of vitamin B12. This disease is characterised by decreased
levels of vitamin B12 in the body presenting with or without anaemia. This disease
may present with fatigue, pallor, dizziness, seizures, or symptoms of dementia. Confirmation
is by identification of decreased levels of vitamin B12 in a blood sample.
