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.
Collect specimen in lavender top tube. Send intact whole blood to Specimen Processing. Must be received at Mayo within 72 hours.
Collect specimen in a lavender top tube. Send intact whole blood to Specimen Processing refrigerated. Must be received at testing laboratory within 72 hours of collection.