2 - 4 days
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Diagnosing methemoglobinemia and sulfhemoglobinemia. Identifying cyanosis due to other causes, such as congenital heart disease.
METHEMOGLOBIN: 0-11 months: not established; > or =1 year: 0.0-1.5% of total hemoglobin
SULFHEMOGLOBIN: 0-11 months: not established; > or =1 year: 0.0-0.4% of total hemoglobin
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.