Preferred Label : Homocystinuria due to methylenetetrahydrofolate reductase deficiency;
ICD-11 definition : Homocystinuria due to methylene tetrahydrofolate reductase (MTHFR) deficiency is a
disorder of folate metabolism characterised by neurological manifestations appearing
in the first year of life with severe neurological signs, recurrent apnoea, microcephaly
and convulsions, and no megaloblastic anaemia.;
ICD-11 synonym : MTHFR deficiency; Methylenetetrahydrofolate reductase deficiency; MTHFR - [methylenetetrahydrofolate reductase] deficiency;
Origin ID : 1119975297;
Automatic exact mappings (from CISMeF team)
Homocystinuria due to methylene tetrahydrofolate reductase (MTHFR) deficiency is a
disorder of folate metabolism characterised by neurological manifestations appearing
in the first year of life with severe neurological signs, recurrent apnoea, microcephaly
and convulsions, and no megaloblastic anaemia.