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    What is a Haemoglobin (Hb) Test?

    A Haemoglobin blood test measures the concentration of haemoglobin in a blood sample. Haemoglobin is the protein in red blood cells that transports oxygen from the lungs to various tissues and organs throughout the body. Thus, maintaining adequate haemoglobin levels is essential for supplying tissues with the oxygen they need to survive.

    Low or high haemoglobin levels can impair the body's ability to provide sufficient oxygen to cells, leading to potential health issues. Therefore, your doctor might order a Haemoglobin test if you have symptoms of low or high haemoglobin levels. Monitoring the haemoglobin levels helps doctors diagnose blood disorders and other conditions. The Haemoglobin test is commonly done to diagnose anaemia, a condition characterised by insufficient haemoglobin or unhealthy red blood cells. This test also helps determine the cause of anaemia, assess its severity, and monitor how well the anaemia is responding to treatment.

    In Bangalore’s hectic lifestyle, health can sometimes take a backseat. If your doctor needs to check your haemoglobin levels for any reason, schedule your Haemoglobin test in Bangalore today.

    Haemoglobin (Hb) Test Parameters

    The Haemoglobin test measures only a single parameter: the concentration of haemoglobin in blood.

    Haemoglobin consists of a protein known as globin and a compound known as haem. Haem contains iron and a pigment called porphyrin. Porphyrin imparts the red colour to blood, while the iron in haemoglobin enables it to bind with oxygen. This ultimately facilitates the transport of oxygen from the lungs to the rest of the body. Oxygen, in turn, fuels the cells of the body to produce energy and keep you healthy. Insufficient haemoglobin or a low red blood cell count can reduce oxygen delivery to the tissues and organs, affecting energy production and overall health. Conversely, excess haemoglobin or too many red blood cells thicken the blood and make the flow sluggish, potentially reducing oxygen delivery to the organs. 3 Thus, by undergoing an Hb test, one can assess their haemoglobin levels and take necessary steps if any abnormalities are detected.

    Haemoglobin (Hb) Test Preparation

    Before scheduling a Haemoglobin test at home, please keep the following points in mind:

    • Prerequisites

    Fasting is not necessary for the Hb test.

    • Best Time to Get Tested

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

    • Who Should Get an Hb Test

    You might need an Hb test as part of routine blood work or if you exhibit symptoms associated with low or high haemoglobin levels. This test is also important for the following reasons:

    • To diagnose/evaluate a condition that could be causing anaemia (low haemoglobin) or polycythaemia (high haemoglobin).

    • To assess the severity of your condition.

    • To evaluate whether your haemoglobin level is responding to treatment.

    • Cautions Before Taking an Hb Test

    No special preparation is required for the Hb test. However, various factors can influence your haemoglobin levels, including:

    • Altitude : Living at high elevations can increase haemoglobin levels.

    • Fluid Intake : Excessive fluid intake can reduce haemoglobin levels.

    • Exercise : Intense physical activity can elevate haemoglobin levels.

    • Medications : Some medications (such as anabolic steroids or antiretroviral medications) may either raise or lower haemoglobin levels.

    • Pregnancy : Haemoglobin levels may decrease during pregnancy.

    Your doctor will inform you if there are any specific instructions you need to follow.

    Why Take a Haemoglobin (Hb) Test?

    Your doctor may order a Haemoglobin test if you exhibit symptoms related to either low or high haemoglobin levels. Symptoms of low haemoglobin include:

    • Fatigue

    • Headache

    • Pale skin

    • Weakness

    • Dizziness

    • Chest pain

    • Shortness of breath

    • Cold hands and feet

    Symptoms of high haemoglobin include:

    • Headaches

    • Blurred or double vision

    • Weight loss

    • Weakness

    • Dizziness

    • Swelling of joints

    • Excess sweating

    • Itching

    • Easy bruising

    • Yellowing of eyes and skin

    • Blood clots

    • Stroke

    • Heart attack

    Additionally, your doctor may use this test to monitor how well you are responding to treatments aimed at adjusting your red blood cell count. Other reasons for undergoing an Hb test may include:

    • A diet deficient in essential nutrients such as iron and vitamins B12 and B9.

    • A chronic (long-term) infection.

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

    • Significant blood loss due to an injury or surgical procedure.

    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 can be attributed to a variety of factors and conditions affecting your body's ability to produce or maintain enough red blood cells. Here are some key reasons for low haemoglobin: 6

    • Inadequate Red Blood Cell Production : Conditions that affect red blood cell production include different types of anaemia (like aplastic or pernicious anaemia), cancers of the blood and bone marrow (such as lymphoma, leukaemia, multiple myeloma, or myelodysplastic syndrome), chemotherapy, antiretroviral medications, and chronic kidney disease.

    • Increased Red Blood Cell Destruction : Conditions that affect red blood cell lifespan include sickle cell anaemia, thalassaemia, and an enlarged spleen.

    • Blood Loss : From injury, surgery, internal bleeding, or heavy menstrual periods.

    • Other Factors: Nutrient deficiencies (iron, vitamin B12, or B9) and impaired iron absorption can impair the body’s ability to produce healthy red blood cells.

    High Levels

    High haemoglobin levels may indicate a serious underlying health issue and lead to complications like blood clots. Elevated haemoglobin might be associated with:

    • Medical Conditions : Diseases such as chronic obstructive pulmonary disease (COPD), congenital heart disease, emphysema, polycythaemia vera, pulmonary fibrosis, kidney cancer, and liver cancer may cause high haemoglobin levels.

    • Other Factors : Living at high altitudes, dehydration, smoking, use of drugs (like anabolic steroids) and exposure to carbon monoxide can also lead to high haemoglobin levels.

    Please note : Abnormal results don’t always signal a medical condition. Diet, physical activity, menstrual periods, medications, and other factors can affect results. Discuss your results with your doctor for an accurate interpretation.

    FAQs on Haemoglobin (Hb) Test in Bangalore

    The Haemoglobin test price is ₹ 180. This price includes the quickest home sample collection in 60 minutes of test confirmation, and the reports are available in 9 hours.

    Yes, Orange Health Labs offers home sample collection services for the Haemoglobin test in Bangalore. You can have your sample collected at home within 60 minutes of booking, depending on slot availability.

    A Haemoglobin test is used to diagnose conditions associated with low or high haemoglobin levels, such as nutrient deficiencies and chronic illnesses.

    No, fasting is not needed for the Haemoglobin blood test.

    Follow the below mentioned steps to book any blood test or health checkup through our platform:

    • Find the Test : Search for the Haemoglobin test in Bangalore or at home and click on Orange Health’s page.

    • Review and Verify : Select the Hb test, go over the prerequisites, enter your location, and complete the booking by choosing a suitable time for the sample collection.

    • Collection of Sample : A trained eMedic will come to your home to collect the sample at your chosen time.

    • Lab Processing : The sample will be sent to our ICMR-approved and NABL-accredited labs for examination.

    • Receive Results : Your reports will be sent to you via email or WhatsApp within 9 hours, accessible also through our app interface.

    Normal haemoglobin levels range from 13.0 to 17.0 g/dL.

    After you book the Haemoglobin test, Orange Health Labs will send an eMedic to collect your sample within 60 minutes. The sample collection process typically takes only a few minutes. Afterwards, you can expect to receive your reports online within 9 hours.

    The frequency of Haemoglobin tests depends on individual health needs and conditions. Your doctor will advise the appropriate schedule based on your specific health situation.

    A Haemoglobin test includes only one parameter: the concentration of haemoglobin in the blood.

    Orange Health offers the fastest Haemoglobin testing in Bangalore, delivered conveniently to your home without needing a physical lab visit. Localities include but are not limited to Adugodi, Banashankari, Bannerghatta, Basavanagudi, Bellandur, BTM Layout, Chamrajpet, Cottonpet, CV Raman Nagar, Domlur, Electronic City, Frazer Town, Giri Nagar, Hebbal, Hennur, Hosur, HSR Layout, Jakkur, Jalahalli, Jaya Nagar, Kadugodi, Kammanahalli, Kengeri, Koramangala, Mahalakshmi Layout, Madiwala, Magadi Road, Malleshwaram, Marathahalli, Mathikere, Mysore Road, Nagarbhavi, Nandhini Layout, Old Airport Road, Peenya, RT Nagar, Rajaji Nagar, Rajarajeshwari Nagar, Sadashivnagar, Sahakara Nagar, Sanjay Nagar, Sarjapur, Seshadripuram, Shanthi Nagar, Shivaji Nagar, Sri Nagar, Tyagarajnagar, Uttarahalli, Vasanth Nagar, Vidyaranyapura, Vijaya Nagar, Whitefield, Yelahanka, Yeshwantpur.

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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/