Hemoglobin A2 to Total Hemoglobin Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of Hemoglobin A2 compared to total Hemoglobin present in a sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - HGBA2HGB - Hemoglobin A2/Total Hemoglobin - Hemoglobin A2/Total Hemoglobin - Percent Hemoglobin A2