i-Screen Full Blood Count
Type
Blood Testing
Biomarkers
14
Duration
30 min
Results
24 hours
Comprehensive blood test to assess overall health and screen for various disorders.
A complete blood count (CBC) is one of the most commonly ordered blood tests and provides a broad overview of your overall health. It measures the concentration and characteristics of three major cell types in your blood: red blood cells (which carry oxygen), white blood cells (which fight infection), and platelets (which help with clotting). The test includes hemoglobin, hematocrit, red cell indices (MCV, MCH, MCHC), and a white blood cell differential that breaks down the five types of white cells. Abnormal results can indicate conditions ranging from anemia and infection to more serious blood disorders, making the CBC an essential baseline test for preventive health screening.
Key Details
Who Is This For?
Anyone seeking a general health assessment or annual checkup. People experiencing unexplained fatigue, weakness, bruising, or frequent infections. Useful as a baseline before starting new medications, monitoring existing conditions, or as part of a pre-surgical evaluation.
What's Included
Preparation Required
Fasting for 10–12 hours before your appointment is recommended for accurate results (water is fine). Avoid alcohol for 24 hours and intense exercise for 12 hours before the blood draw. Morning appointments are ideal for consistent hormone and glucose readings. The blood draw typically takes 5–10 minutes.
Biomarkers Tested
14Measures the number of red blood cells in your blood. Red blood cells carry oxygen from your lungs to every cell in your body. Abnormal levels can indicate anemia, dehydration, or bone marrow disorders.
The iron-rich protein in red blood cells responsible for carrying oxygen throughout your body and returning carbon dioxide to the lungs. Low haemoglobin is the primary marker for anemia and can cause fatigue, weakness, and shortness of breath.
The percentage of your blood volume occupied by red blood cells. It reflects the balance between red blood cell production and loss, helping diagnose anemia, dehydration, and polycythemia.
The average size of your red blood cells. Small cells (microcytic) suggest iron deficiency, while large cells (macrocytic) may indicate vitamin B12 or folate deficiency. Normal-sized cells with low count suggest chronic disease.
The average amount of hemoglobin in each red blood cell. Low MCH indicates that red blood cells carry less oxygen than normal, commonly seen in iron-deficiency anemia.
The average concentration of hemoglobin within each red blood cell. It helps differentiate types of anemia — low MCHC points to iron deficiency, while high MCHC can indicate spherocytosis.
Measures the variation in size among your red blood cells. A high RDW means your red blood cells vary significantly in size, which can help distinguish between different types of anemia.
Measures the total number of white blood cells, your body's primary defense against infection. Elevated levels may indicate infection, inflammation, or immune disorders, while low levels can signal bone marrow problems or autoimmune conditions.
The percentage of white blood cells that are eosinophils. Elevated eosinophil percentages are commonly associated with allergic reactions and parasitic infections.
The percentage of white blood cells that are monocytes. Monocytes are part of the innate immune system and develop into macrophages and dendritic cells in tissues.
The percentage of white blood cells that are lymphocytes, key players in adaptive immunity including antibody production and cell-mediated immune responses.
The percentage of white blood cells that are neutrophils. Neutrophils are the most common WBC type and respond primarily to bacterial infections.
The percentage of white blood cells that are basophils. Basophils play a role in allergic reactions by releasing histamine and other inflammatory mediators.
Measures the number of platelets, small cell fragments essential for blood clotting. Low platelets increase bleeding risk, while high platelets may increase clot risk. Important for monitoring clotting disorders and medication effects.
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- Category
- Diagnostic
- Sample Type
- Blood draw
- Duration
- 30 min
- Results
- 24 hours
i-Screen
i-Screen is an Australian health service offering blood testing and analytics to help individuals understand and monitor their health through personalized online dashboards.
