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ENCYCLOPEDIA INDEX
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Hemoglobin electrophoresis

Overview Risks Results
Alternative Names:
Hb electrophoresis; Hgb electrophoresis
Normal Values:

In adults, these hemoglobin molecules make up the total hemoglobin, as follows:

  • Hgb A1: 95% to 98%
  • Hgb A2: 2% to 3%
  • Hgb F: 0.8% to 2%
  • Hgb S: 0%
  • Hgb C: 0%
In infants and children, these hemoglobin molecules make up the total hemoglobin, as follows:
  • Hgb F (newborn): 50% to 80%
  • Hgb F (6 months): 8%
  • Hgb F (over 6 months): 1% to 2%
What abnormal results mean:
The presence of significant levels of abnormal hemoglobins may indicate:

Thalassemia is an additional condition under which the test may be performed.

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