Blood Tests

Blood tests are the most common lab investigations. A small blood sample can show how your blood cells, sugar, thyroid, cholesterol, liver, and kidneys are doing. This section explains the most frequently ordered blood tests in plain language so you know what each value means and when to ask your doctor about it.

Tests in Blood Tests

Complete Blood Count

A panel that counts red cells, white cells, and platelets in your blood.

Explore
Hemoglobin

The protein in red blood cells that carries oxygen around your body.

Explore
WBC Count

Counts the infection-fighting white cells in your blood.

Explore
Platelet Count

Counts the small cells that help your blood clot.

Explore
ESR

A general marker that rises when there is inflammation in the body.

Explore
CRP

A fast-responding marker of inflammation or infection.

Explore
Vitamin D

Checks the vitamin your bones and muscles need, made mostly from sunlight.

Explore
Vitamin B12

Checks a vitamin essential for nerves and blood cell formation.

Explore

Common Terms

Normal Range High Low Borderline Inflammation Anemia Kidney Function Liver Function Cholesterol

Frequently Asked Questions

Some tests like fasting blood sugar and lipid profile need 8–12 hours of fasting, while many others do not. Always check with your lab or doctor before the test.

Not necessarily. Values can shift with hydration, food, exercise, medicines, or lab variation. A single abnormal value needs clinical correlation — your doctor may repeat the test or order related tests.
Disclaimer: This information is for patient education only and does not replace medical advice, diagnosis, or treatment. Always consult a qualified doctor.