Skip to main content
Your session has expired. Reloading...

Doctor's Assessment Included

Every result includes a professional assessment from a BIG-registered doctor. For treatment decisions, discuss your results with your GP.

Hematology

Complete Blood Count (CBC)

A complete blood count (CBC) is a comprehensive blood test that evaluates the major components of your blood: red blood cells, white blood cells, and platelets. It is one of the most commonly ordered blood tests and provides a broad overview of your overall health.

What It Measures

A CBC measures multiple blood parameters including red blood cell count, hemoglobin, hematocrit, white blood cell count with differential, platelet count, MCV, MCH, and MCHC. Together, these values provide a comprehensive picture of blood health, immune function, and clotting ability.

Why It Matters

The CBC is a cornerstone of preventive healthcare and diagnostic medicine. It can help detect a wide range of conditions including anemia, infections, immune disorders, blood cancers, and clotting problems. Regular CBC testing supports early detection and ongoing health monitoring.

When to Test

A CBC is commonly ordered as part of routine annual health check-ups, when investigating symptoms such as fatigue, weakness, fever, or unexplained bleeding, before surgical procedures, and for monitoring chronic conditions or treatment effects.

Symptoms

Low Levels

Abnormalities in CBC components may present as fatigue, weakness, frequent infections, unusual bleeding or bruising, pale skin, shortness of breath, or dizziness. Specific symptoms depend on which component is affected.

High Levels

Elevated blood components may be associated with headaches, dizziness, flushed skin, increased clotting risk, fever, or signs of infection or inflammation. The significance depends on which specific values are elevated.

Lifestyle Tips

Maintain a balanced, nutrient-rich diet to support healthy blood cell production. Stay hydrated, exercise regularly, get adequate sleep, and manage stress. Avoid smoking and excessive alcohol. Report any unusual symptoms such as persistent fatigue, unexplained bruising, or recurrent infections to your healthcare provider.

Frequently Asked Questions

Do I need to fast before a CBC?
In most cases, fasting is not required for a complete blood count. However, if your CBC is ordered alongside other tests that require fasting (such as glucose or lipid panels), your healthcare provider may recommend fasting. Follow the instructions provided by your healthcare team.
How often should I have a CBC done?
For most adults, a CBC is recommended as part of an annual health check-up. Your healthcare provider may recommend more frequent testing if you have a chronic condition, are on certain medications, or have symptoms that require monitoring.

Test Products

This marker is included in the following test panels.