Catalog
Dystonia due to homocystinuria
No MMS code
Link to WHO Definition
Dystonia due to homocystinuria – http://id.who.int/icd/entity/1510667702
This is dystonia – a disorder of involuntary muscle contractions – due to an autosomal recessive disorder, homocystinuria, which alters the normal metabolism of the amino acid methionine. Abnormally high blood levels of homocystine are present in blood plasma and urine.