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    What is a Haemoglobin (Hb) Test?

    A Haemoglobin test evaluates the level of haemoglobin, a protein in red blood cells that carries oxygen from the lungs to other parts of the body. Proper haemoglobin levels are essential for ensuring that tissues get adequate oxygen. When haemoglobin levels are too low or too high, the body’s ability to deliver oxygen effectively can be impaired, potentially leading to health problems.

    Doctors may order this test if there are signs of haemoglobin irregularities. It's especially useful for diagnosing anaemia, understanding its root causes, assessing its severity, and monitoring treatment response.

    In a city like Hyderabad, where hectic schedules often overshadow health concerns, don't delay—schedule your Haemoglobin test if recommended by your physician.

    Haemoglobin (Hb) Test Parameters

    The Haemoglobin test evaluates the concentration of haemoglobin in the blood, a critical parameter.

    Haemoglobin is composed of a protein called globin and haem, which includes iron and the pigment porphyrin, responsible for the red colour of blood. The iron component enables haemoglobin to bind with oxygen, facilitating its transport from the lungs to various tissues and organs. This oxygen is essential for cells to produce energy and maintain health. Insufficient haemoglobin or a low red blood cell count can compromise oxygen delivery, reducing energy production and affecting overall well-being. Conversely, elevated haemoglobin levels or an increased red blood cell count can thicken the blood, slow circulation, and potentially reduce oxygen transport. The Hb test can help monitor these levels, allowing for necessary interventions if abnormalities are detected.

    Haemoglobin (Hb) Test Preparation

    Before you book a Haemoglobin test at home, keep these points in mind:

    • Prerequisites

    There is no requirement to fast before taking the Hb test.

    • Best Time to Get Tested

    The test can be scheduled at any convenient time of the day.

    • Who Should Get an Hb Test

    You may need an Hb test if you have symptoms of abnormal haemoglobin levels or as part of routine testing. Reasons for this test include:

    • Diagnosing or assessing conditions like anaemia (low haemoglobin) or polycythaemia (high haemoglobin).

    • Evaluating the severity of your condition.

    • Monitoring how your haemoglobin levels are responding to treatment.

    • Cautions Before Taking an Hb Test

    While no special preparation is needed, factors such as these can impact haemoglobin levels:

    • Altitude: Higher elevations can increase haemoglobin levels.

    • Fluid Intake: Excessive drinking can reduce haemoglobin levels.

    • Medications: Certain drugs (like anabolic steroids, and antiretrovirals) can impact haemoglobin levels.

    • Exercise: Intense exercise may elevate haemoglobin levels.

    • Pregnancy: Haemoglobin levels may be lower during pregnancy.

    Follow your doctor’s advice if there are specific instructions.

    Why Take a Haemoglobin (Hb) Test?

    If you show symptoms of abnormal haemoglobin levels, your doctor may recommend a Haemoglobin test. Symptoms of Low Haemoglobin:

    • Fatigue

    • Cold hands and feet

    • Shortness of breath

    • Pale skin

    • Headache

    • Chest pain

    • Weakness

    • Dizziness

    Symptoms of High Haemoglobin:

    • Blood clots

    • Heart attack

    • Stroke

    • Blurred or double vision

    • Easy bruising

    • Itching

    • Weakness

    • Headaches

    • Dizziness

    • Weight loss

    • Yellowing of eyes and skin

    • Swelling of joints

    • Excess sweating

    This test may also be used by your doctor to track your response to treatments aimed at correcting your red blood cell count. Additional reasons for an Hb test include:

    • A diet lacking key nutrients like iron, vitamin B12, and folate.

    • Chronic infections.

    • A family history of inherited blood disorders, such as thalassaemia or sickle cell anaemia.

    • Major blood loss due to an injury or surgery.

    Haemoglobin (Hb) Test Results & Interpretation

    The table below provides the normal range for haemoglobin levels in grams per decilitre (g/dL).

    TestNormal Range (g/dL)
    Haemoglobin (Hb)13.0 - 17.0

    Interpretation

    Low Levels: Low haemoglobin levels may result from various conditions affecting the production or survival of red blood cells. Common causes include:

    • Inadequate Red Blood Cell Production: This can occur in different forms of anaemia (e.g., aplastic, pernicious), blood and bone marrow cancers (such as leukaemia, lymphoma, myelodysplastic syndrome, or multiple myeloma), chronic kidney disease, chemotherapy, and certain medications, including antiretroviral drugs.

    • Blood Loss: This can result from surgery, injuries, internal bleeding, or heavy menstrual bleeding.

    • Increased Red Blood Cell Destruction: Sickle cell anaemia, thalassaemia, and an enlarged spleen can decrease the lifespan of red blood cells.

    • Other Factors: Deficiencies in iron, vitamin B12, or folate, and conditions affecting iron absorption can also lead to low haemoglobin.

    High Levels: High haemoglobin levels may indicate underlying health issues and pose risks such as blood clots. Causes include:

    • Other Factors: Exposure to carbon monoxide, dehydration, high-altitude living, smoking, and anabolic steroids.

    • Medical Conditions: Conditions like COPD, congenital heart disease, emphysema, polycythaemia vera, pulmonary fibrosis, liver cancer, and kidney cancer can elevate haemoglobin levels.

    Please note that abnormal results do not always indicate a medical condition. Factors like medications, diet, menstrual cycles, and physical activity can affect haemoglobin levels. Discuss your results with your doctor for accurate guidance.

    FAQs on Haemoglobin (Hb) Test in Hyderabad

    The Haemoglobin test costs ₹ 180 in Hyderabad, inclusive of the quickest home sample collection in 60 minutes post-confirmation, and report delivery within 3 hours.

    Orange Health Labs offers home sample collection for Haemoglobin tests in Hyderabad, with sample pickup within 60 minutes after you book, depending on available slots.

    This test is used to detect conditions linked to low or high haemoglobin, including nutritional deficiencies and long-term illnesses.

    You do not need to fast before undergoing a Haemoglobin test.

    Follow these steps to book any blood test or health checkup on our platform:

    • Search and Select: Look for the Haemoglobin test in Hyderabad or at home, then select the Orange Health page.

    • Confirm and Book: Choose the Hb test, check the prerequisites, enter your location, and select a time for sample collection.

    • Sample Pickup: A trained eMedic will come to your home at your preferred time to collect the sample.

    • Laboratory Processing: The sample will be analyzed at our ICMR-approved, NABL-accredited labs.

    • Report Delivery: Your test results will be sent to you by email or WhatsApp within 3 hours and can also be accessed through our app.

    Haemoglobin levels are considered normal when they range from 13.0 to 17.0 g/dL.

    Once your Haemoglobin test is booked, an eMedic from Orange Health Labs arrives within 60 minutes to collect your sample, and you’ll receive your reports within 3 hours.

    Your doctor will determine how often you need a Haemoglobin test, based on your specific health circumstances.

    A Haemoglobin test checks only the haemoglobin concentration in your blood.

    In Hyderabad, Orange Health offers the fastest home service for Haemoglobin testing, covering various localities including Banjara Hills, Jubilee Hills, Gachibowli, Madhapur, Hitech City, Kondapur, Begumpet, Somajiguda, Ameerpet, Panjagutta, Kukatpally, Miyapur, Manikonda, Secunderabad, Tarnaka, Abids, Koti, Mehdipatnam, Dilsukhnagar, Uppal, LB Nagar, Nallagandla, Nizampet, Attapur, Malkajgiri.

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    References

    1. Hemoglobin Test [Internet]. Medline Plus.  Available from:  https://medlineplus.gov/lab-tests/hemoglobin-test/
    2. Hemoglobin Test [Internet]. Cleveland Clinic.  Available from:  https://my.clevelandclinic.org/health/diagnostics/17790-hemoglobin-test
    3. Hemoglobin [Internet]. University of Rochester Medical Center.  Available from:  https://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=167&contentid=hemoglobin
    4. Billett HH. Hemoglobin and Hematocrit. In: Walker HK, Hall WD, Hurst JW, editors. Clinical Methods: The History, Physical, and Laboratory Examinations. 3rd edition. Boston: Butterworths; 1990. Chapter 151.  Available from:  https://www.ncbi.nlm.nih.gov/books/NBK259/