ICD-11 code : 3A91;
Preferred Label : Congenital methaemoglobinaemia;
ICD-11 definition : A disease caused by determinants in the antenatal period leading to lack of the enzyme
cytochrome b5 reductase. This disease is characterised by elevated levels of methemoglobin
within the blood leading to haemoglobin ineffectively releasing oxygen to body tissues.
This disease may present with shortness of breath, cyanosis, headache, fatigue, exercise
intolerance, dizziness and loss of consciousness. Confirmation is by identification
of mutation by genetic testing.;
Origin ID : 1981095916;
Currated CISMeF NLP mapping
ICD-10 Mapping
A disease caused by determinants in the antenatal period leading to lack of the enzyme
cytochrome b5 reductase. This disease is characterised by elevated levels of methemoglobin
within the blood leading to haemoglobin ineffectively releasing oxygen to body tissues.
This disease may present with shortness of breath, cyanosis, headache, fatigue, exercise
intolerance, dizziness and loss of consciousness. Confirmation is by identification
of mutation by genetic testing.