Can a CBC test detect cancer?

In some cases, it may help detect certain types of cancer, such as leukemia, but it is not a definitive test for cancer diagnosis.

How long does it take to get CBC results?

Results are usually available within hours or by the next day, depending on the laboratory.

Can a CBC test detect vitamin deficiencies?

It may indicate conditions related to vitamin deficiencies, such as B12 or folic acid deficiency, but it is not a direct test for vitamins.

What are the normal blood cell ranges in a CBC test?

Ranges vary by age and sex, but standard references exist for each type of cell, including hemoglobin, hematocrit, and white blood cells.

Are there any risks associated with a CBC test?

Risks are minimal, such as slight pain or a small bruise at the blood draw site, and are rare.

Can CBC results change based on daily conditions?

Yes, factors like dehydration, stress, or exercise may affect results, so it is important to inform your doctor of any unusual conditions.

Medical Laboratories

Comprehensive Blood Health Check

Complete Blood Count (CBC)

A comprehensive test measuring key blood components to detect anemia and infections, providing a precise overview of your general health and daily vitality.

Trusted medical contentUpdated: 25-04-2026Views: 121LHL-48

About this service

The complete blood count (CBC) is a comprehensive blood test that measures the main components of the blood, including red blood cells (RBCs), which carry oxygen; white blood cells (WBCs), which fight infections; and platelets (PLTs), which help with blood clotting. The test also measures hemoglobin (Hgb) and hematocrit (Hct), providing information about the proportion of red blood cells relative to the total blood volume. This test is used to assess overall health and detect conditions such as anemia, infections, and other blood disorders.

Purpose Test

Anemia: by measuring red blood cell count and hemoglobin levels.
Infections: through increases or decreases in white blood cell count.
Blood clotting disorders: such as low platelet count, which can cause clotting problems. Immune system issues: like autoimmune disorders that affect white blood cells.
Immune system issues: like autoimmune disorders that affect white blood cells.
Bone marrow diseases: as the test can reveal problems in blood cell production.
Inflammatory conditions: indicated by increased white blood cells or changes in their types.

Recommended groups

Individuals experiencing persistent fatigue or dizziness: To detect conditions such as anemia or blood disorders.
Individuals showing signs of infection: Such as fever or inflammation, to check for elevated white blood cells.
Individuals with abnormal bleeding or frequent bruising: To ensure platelet count and clotting ability are normal.
Patients with chronic diseases: Such as kidney, liver, or heart conditions, to monitor their impact on blood health.
Pregnant women: To monitor blood count and ensure maternal and fetal health, including iron levels.
Individuals taking certain medications: Such as chemotherapy drugs or medications affecting the immune system.
Individuals with weakened immune systems: To detect abnormalities in white blood cells.
Routine health check-ups: For early detection of hidden health issues.

Symptoms indicative

Persistent fatigue and exhaustion: May indicate anemia or other blood cell disorders.
Dizziness or shortness of breath: Could signal low hemoglobin or red blood cell problems.
Frequent fever or chills: May be a sign of infection or inflammation in the body.
Unexplained bleeding or bruising: Could indicate low platelet count or clotting disorders.
Unexplained weight loss: May be associated with blood problems or chronic illnesses.
Frequent or persistent infections: May suggest a weakened immune system or white blood cell disorders.
Pale skin: Can indicate low red blood cell count or hemoglobin.
Swollen lymph nodes: May point to issues with white blood cells or infections.
Joint pain or swelling: May be related to immune disorders affecting blood cell counts.
Heart palpitations or rapid heartbeat: Could result from insufficient oxygen carried by red blood cells.

Normal Levels

Men: 4.7-6.1 million/µL
Women: 4.2-5.4 million/µL Abnormal Values:
High: May indicate dehydration or heart/lung disease
Low: May indicate anemia or internal bleeding
Men: 13.8-17.2 g/dL
Women: 12.1-15.1 g/dL Abnormal Values:
High: May indicate heart disease or dehydration
Low: Indicates anemia or iron deficiency
Men: 40.7-50.3%
Women: 36.1-44.3% Abnormal Values:
High: May indicate dehydration or heart disease
Low: Indicates anemia or blood loss
High: May indicate infection, inflammation, or leukemia
Low: May indicate weakened immunity or autoimmune disorders
High: Increases risk of clot formation
Low: May indicate bleeding disorders or bone marrow issues
High: Indicates anemia due to B12 or folate deficiency
Low: Indicates anemia due to iron deficiency
High: May indicate anemia or other RBC disorders
High: Indicates bacterial infection or inflammation
Low: May indicate weak immunity or viral infection
High: May indicate viral infection or immune disorder
Low: May indicate weakened immunity
High: May indicate chronic infection or immune disorder
Low: Usually not a problem
High: May indicate allergy or parasitic infection
Low: Usually not significant
High: May indicate allergic reaction or some leukemias

Frequently Asked Questions

Short answers to the FAQs published with this service.

What is a CBC Test?

A CBC test measures different blood cell levels, including red blood cells, white blood cells, and platelets, to assess overall health and detect diseases.

Why do I need a CBC test?

It may be recommended if you experience symptoms like fatigue, recurrent infections, unexplained bruising, or as part of a routine health check.

Does a CBC test require fasting?

No, a CBC test does not require fasting and can be performed at any time.

What do CBC test results mean?

Results provide insights into blood health. Abnormal levels may indicate anemia, infections, immune disorders, or clotting problems.

Comprehensive Blood Health Check

About this service

Purpose Test

Recommended groups

Symptoms indicative

Normal Levels

What is included?

Conditions and notices

Frequently Asked Questions

References and additional resources

Scientific references

Choose a provider and branch

Let us help you

Didn’t find the service?

Services you might also like

Boost Cell and Nerve Health

Hemoglobin Electrophoresis Map

Direct Coombs' Test (DAT)

Sickle Cell Solubility Test

Your opinion matters

Was this content helpful?

Have a note?