Methemoglobin Reductase Deficiency

**Semantic type:** Laboratory or Test Result

**Definition:** Less than the necessary amount of the enzyme that converts methemoglobin into hemoglobin.

**Synonyms:** - Cytochrome B5 Reductase Deficiency - Cytochrome B5 Reductase Deficiency - NADH-CYB5R Deficiency - NADH-Cytochrome B5 Reductase Deficiency - NADH-Dependent Methemoglobin Reductase Deficiency