Haematology-3 Test (HB - TC DC - ESR - Platelet)

Haemogram Test (Hb, TC, DC, ESR, Platelets)

It is a simple blood test to look for the levels of Hb (haemoglobin), TC (total count), DC (differential count), platelets in blood and ESR (erythrocyte sedimentation rate). This test shows general health of the person.

Hb test measures amount of haemoglobin in blood. The Hb is vital protein present in red blood cells that carry oxygen from the lungs to different tissues of the body and carbon dioxide back from tissues to the lungs. A low level of Hb indicates a condition called anaemia which can be due to different causes.

TC blood test measures the total number of white blood cells also called leucocytes in blood. Their function is to defend the body against various infections.

DC blood test measures the percentage of various components of white blood cells in blood. These components are neutrophils, eosinophils, basophils, lymphocytes and monocytes.

Erythrocyte Sedimentation Rate tests measures how fast erythrocytes (red blood cells) settle down in a test tube containing blood sample. If ESR is high it may indicate inflammation which can be due to infection, injury, chronic disease or some immune disorder.

Platelet count measures platelets in blood. Platelets are also called thrombocytes.The function of platelets is stop bleeding by forming blood clot.

Why is haemogram test prescribed?

Your health care provider may prescribe this test in various conditions:

What are the components of Haemogram ESR test?

The various tests done are:

Procedure and prerequisites

The sample is taken by inserting a small needle into the vein of your arm. A small amount of blood is then collected in test tube or vial. You may feel a little pain due to needle prick. No special preparations are required for the test.

Reference range

These values may vary from lab to lab