What test is used to measure the concentration of hemoglobin in blood?

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Study for the ASCP Specialist in Hematology (SH) Test. Prepare with multiple choice questions, each providing hints and explanations. Boost your readiness for the exam!

Multiple Choice

What test is used to measure the concentration of hemoglobin in blood?

Explanation:
Measuring the amount of hemoglobin in blood is a standard part of the complete blood count. The CBC reports the hemoglobin level (in g/dL) along with other red cell indices, and it’s determined by automated hematology analyzers using photometric methods (often cyanmethemoglobin historically). This is different from a blood smear, which looks at cell appearance; hemoglobin electrophoresis, which separates different forms of hemoglobin; or a coagulation panel, which assesses clotting factors. So the test used to measure hemoglobin concentration is the complete blood count.

Measuring the amount of hemoglobin in blood is a standard part of the complete blood count. The CBC reports the hemoglobin level (in g/dL) along with other red cell indices, and it’s determined by automated hematology analyzers using photometric methods (often cyanmethemoglobin historically). This is different from a blood smear, which looks at cell appearance; hemoglobin electrophoresis, which separates different forms of hemoglobin; or a coagulation panel, which assesses clotting factors. So the test used to measure hemoglobin concentration is the complete blood count.

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