2 - 10 days
Cytochrome B5 Reductase
Methemoglobin Reductase, Erythrocytes
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Kinetic Spectrophotometry (KS)
Confirming cases of heterozygous or homozygous methemoglobin reductase deficiency; genetic studies in families with methemoglobin reductase deficiency.
6.6 - 13.3 U/g hemoglobin
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect blood in an yellow top (ACD) solution B tube. Refrigerate intact specimen; do not freeze.