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    Blood test information

    Hemoglobin Electrophoresis Blood Test

    Separates and measures the different types of hemoglobin (such as HbA, HbF, HbS).

    Result: 3-14 days Code: 83020
    441 

    Description of the blood Analysis: 

    Hemoglobin electrophoresis is a blood test used to measure and identify the different types of hemoglobin in your bloodstream. Hemoglobin is the protein inside red blood cells that carries oxygen. While healthy adults have mostly Hemoglobin A, there are hundreds of variations (variants) and genetic conditions that can cause the body to produce abnormal types of hemoglobin or incorrect amounts of normal ones.

     

    What Does the Analysis Represent?

    • Goal: To screen for and diagnose genetic blood disorders.
    • Main Application: Diagnosing Sickle Cell Anemia, Thalassemia, and other rare hemoglobinopathies.
    • Biological Process: The test uses an electrical current to move hemoglobin molecules through a gel or liquid. Because different types of hemoglobin have different electrical charges and sizes, they move at different speeds, creating a “pattern” that acts like a fingerprint for your blood type.

    Recommendations for the Test (General)

    • Fasting: Not required. You can eat and drink normally before the test.
    • Recent Transfusions: Crucial. If you have had a blood transfusion in the last 3 to 4 months, the test results will reflect the donor’s blood, not yours. You must wait for the donor cells to clear your system.
    • Material: Venous blood (EDTA anticoagulated).

    What Can Affect the Results?

    • Blood Transfusions: As mentioned, these can completely mask your genetic profile.
    • Iron Deficiency: Severe iron deficiency can sometimes lower the percentage of certain hemoglobin types (like HbA2), potentially masking a mild form of Thalassemia.
    • Age: Newborns have very high levels of Hemoglobin F (Fetal), which naturally disappears and is replaced by Hemoglobin A within the first year of life.

    When to Take the Test?

    • Chronic Anemia: If you have low hemoglobin that doesn’t improve with iron supplements.
    • Family History: If a relative has been diagnosed with sickle cell trait or thalassemia.
    • Abnormal Blood Smear: If a laboratory technician sees unusually shaped cells (like “target cells” or “sickle cells”) under a microscope.
    • Newborn Screening: To identify genetic conditions early in life.
    • Prenatal Testing: For couples planning a family who want to know the risk of passing on a blood disorder.

    How to Interpret the Results?

    Important: A hematologist or specialist must interpret these complex protein patterns. Presence of HbS or HbC: Confirms the presence of Sickle Cell trait or disease. Altered Ratios: Used by medical professionals to identify and categorize different forms of Thalassemia.

     

    Possible Further Investigations

    • Complete Blood Count (CBC): To check the size (MCV) and number of red cells.
    • Iron Studies: To ensure that a “low” result isn’t just due to simple iron deficiency.
    • Genetic Testing (DNA analysis): To confirm the exact mutation if the electrophoresis pattern is complex or borderline.
    • Peripheral Blood Smear: To see the physical shape of the cells.

    When Does the Next Step Make Sense?

     The next step is necessary if an abnormal hemoglobin (like S, C, or E) is found or if the ratios of A and A2 are off. Identifying these traits is vital for personal health management and family planning. Most people with “traits” (carriers) live normal lives but need to know their status to avoid complications under specific conditions (like extreme dehydration or low oxygen) or before having children.

    👉 If necessary, you can discuss the results of the analysis with a specialist, such as a hematologist (Doctors – TAMC).

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      Tel Aviv Medical Clinic

      Weizman st. 14, Tel Aviv, Israel

      972-7337-46844

      972-5233-73108

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