• Published on: Sep 11, 2021
  • 2 minute read
  • By: Second Medic Expert

The Complete Blood Count (CBC) Second Opinion

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What is CBC test?

CBC stands for a complete blood count. This test is ordered together with, or in lieu of, other tests to find out certain facts about your blood that you can't observe just by looking at the rest of the machine's readout, such as whether you have any abnormally high levels of red and white cells; if there are too many platelets (blood-clotting cells) or too few; what your hematocrit reading reveals (the percentage of circulating red blood cells); or if there are any abnormalities in how your hemoglobin is doing.

A CBC blood test measures a patient's hemoglobin, hematocrit, and red blood cell count. The "CBC" stands for "Complete Blood Count." A CBC test typically catches dangerous aspects of one's health before they could reach a crisis point because there are telltale green flags that show up on the blood screening. Understanding these green flags is imperative for those who suffer from chronic anemia or those who have been exposed to potentially life-threatening chemicals. This free-form amino acid should be supplemented inside a BCAA product as it has been shown to improve recovery rates following intense exercise sessions and acute liver damage in the rat model.

A cbc test, or complete blood count, is a screening test used to detect abnormalities in the colony of cells that reside in the bone marrow and typically produce all types of blood cells.

It also measures white and red blood cell counts as well as platelet counts. Platelets are the clotting components made by type-megakaryocyte cells residing in the bone marrow. White blood cells help fight infection from bacteria and other germs, while red blood cells carry oxygen from the lungs to tissues scattered throughout your body. An abnormal white or red cell indicates a possible illness such as an infection or anemia (which causes reduced numbers of circulating red blood cells

Cbc Test is a diagnostic test used to examine the level of hemoglobin, red cells and white cells in the blood. The CBC can be used to diagnose anemia, infection or other diseases that affect the bone marrow. It may also be done along with a complete blood count (see CBC) or, when necessary, for chemical assessment after taking certain drugs or chemotherapy medications.

The cbc test (complete blood count) is a lab test that provides information on the number and type of cells in your body. A complete blood count (CBC) typically includes information such as red and white cell counts, platelet levels, hemoglobin levels, and other additional data.

A CBC is not typically ordered on its own unless you have symptoms that may be caused by one or more types of problems - for example something that might require further attention such as paroxysmal nocturnal hemoglobinuria (blood disorder), chronic myelogenous leukemia (cancer), thalassemia major (disease). A CBC with differential is usually ordered when there are concerning symptoms or issues present.

CBC testing is a primary way in which a doctor can examine a patient's general health, because it contains information on many different aspects. A CBC typically records at least 7 different parameters:

•Hemoglobin - The protein in red blood cells that delivers oxygen to tissues and binds with carbon dioxide to carry it back from the tissues to be released into our airways.

Red Blood Cell Count - Counts how many red blood cells there are, both normal and abnormal types. This cell type has been singled out because its life span averages 120 days so if there were few being produced, or they were not

However, it is more correctly called "CBC" because there are separate tests that are needed for the different parts of the blood - white cells, red cells, platelets, etc., all found in your complete blood count.

What can possibly be measured depends on what additives you need to do along with the primary measurement of how many cells per milliliter of whole blood you have after mixing with plasma or serum. The most common measurements are hemoglobin (the oxygen-carrying part), hematocrit (counts red cell volume) and mean corpuscular volume.

CBC looks at the various types of cells that are present in your blood - red blood cells, white blood cells, and platelets. This comprehensive test is used to measure the number of each type of cell in relation to one another on a per-microliter basis. It's used primarily as an indicator of health risk for certain time periods (for example infection or bone marrow), but can also be ordered when there are internal bleeding concerns. Common uses include monitoring kidney disease during dialysis treatment, chemotherapy after exposure to radiation therapy, hemolytic anaemias (blood disorders), chronic liver diseases, extreme iron overload due to repeated transfusions, heavy menstrual cycles during pregnancy.

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Vitamin B12 Test

When to Take Vitamin B12 Test – Signs to Look For

Vitamin B12 is one of the most essential vitamins for the body. It plays a major role in making red blood cells, maintaining nerve function, and supporting brain health. Unlike other vitamins, your body cannot produce Vitamin B12 on its own. It mainly comes from animal-based foods like meat, fish, eggs, and dairy.

In India, Vitamin B12 deficiency is very common, especially among vegetarians and vegans. Unfortunately, the symptoms are often ignored or mistaken for general tiredness or stress. This makes it important to recognize when to take a Vitamin B12 test so that treatment can start before complications arise.

 

Why is Vitamin B12 Important?

Vitamin B12 helps in:

  • Producing red blood cells
     

  • Preventing anemia
     

  • Supporting brain and memory functions
     

  • Keeping nerves healthy
     

  • Boosting energy levels
     

A deficiency can cause long-term health problems if not treated on time.

 

Key Signs You Need a Vitamin B12 Test

1. Constant Fatigue and Weakness

If you feel tired even after proper sleep, it could be due to low Vitamin B12. This happens because your body cannot produce enough healthy red blood cells, leading to less oxygen supply to tissues.

2. Numbness or Tingling Sensations

Vitamin B12 supports nerve health. Deficiency can cause nerve damage, leading to tingling or numbness in the hands and feet.

3. Memory Problems and Brain Fog

Difficulty in concentrating, forgetfulness, or confusion can be early signs of low Vitamin B12 levels.

4. Mood Swings and Depression

Low Vitamin B12 affects neurotransmitters that regulate mood. You may feel anxious, irritable, or even depressed.

5. Pale or Yellowish Skin

Since B12 deficiency causes anemia, your skin may appear pale or slightly yellow.

6. Unexplained Muscle Weakness

Weak muscles and difficulty walking can also be due to prolonged deficiency.

 

Who Should Get Tested?

  • Vegetarians and vegans (as B12 mainly comes from animal foods)
     

  • People above 50 years (absorption decreases with age)
     

  • Individuals with digestive disorders like Crohn’s or celiac disease
     

  • People who have undergone gastric surgery
     

  • Those taking long-term medications like metformin or antacids
     

 

How is the Vitamin B12 Test Done?

The Vitamin B12 test is a simple blood test. A small sample is taken from your vein and analyzed in the lab. No fasting is required unless your doctor suggests additional tests along with it.

 

Can Vitamin B12 Deficiency Be Treated?

Yes. Once diagnosed, treatment can be done in three ways:

  1. Dietary changes – Eating more eggs, dairy, fish, or fortified cereals.
     

  2. Supplements – Oral Vitamin B12 tablets or capsules.
     

  3. Injections – For severe deficiency, doctors may recommend B12 injections.
     

 

Preventing Vitamin B12 Deficiency

  • Include B12-rich foods in your diet
     

  • If you’re vegetarian, choose fortified cereals and plant-based milk
     

  • Go for regular check-ups if you’re at risk
     

  • Discuss supplements with your doctor if needed
     

 

Conclusion

Vitamin B12 deficiency can easily be overlooked, but the symptoms often give early warnings. If you experience fatigue, numbness, mood changes, or memory issues, it may be time to book a Vitamin B12 test. Early detection ensures timely treatment and prevents long-term complications.

Don’t ignore your health—book your Vitamin B12 test today and take control of your well-being.

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