Lab Tests Explained
Clear, medically reviewed guides to the most commonly ordered laboratory blood tests β what each test measures, how to prepare, the normal reference ranges, and what high or low results can mean. Every result is best interpreted with your doctor.
What is a lab test?
A lab test analyses a sample of blood, urine, or tissue to measure specific markers of health. Doctors use them to screen for disease, diagnose conditions, and monitor treatment. Reference ranges vary slightly between laboratories, so results should always be interpreted alongside your symptoms and medical history.
Common Lab Tests
Complete Blood Count
CBC
The Complete Blood Count (CBC) is one of the most commonly ordered blood tests in medicine. It evaluates the three main componentsβ¦
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Diabetes ManagementHbA1c (Glycated Hemoglobin)
HbA1c
The HbA1c test measures the average blood glucose level over the past 2β3 months by quantifying how much glucose has attached to hβ¦
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Cardiovascular HealthLipid Panel (Cholesterol Test)
Lipid Profile
A lipid panel (also called a lipid profile or cholesterol panel) is a blood test that measures the levels of fats in your bloodstrβ¦
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EndocrinologyThyroid Function Tests
TFTs / TSH / T3 / T4
Thyroid function tests (TFTs) measure the levels of thyroid hormones and thyroid-stimulating hormone (TSH) in the blood. They are β¦
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NephrologyKidney Function Tests
KFT / RFT / BMP
Kidney function tests (also called renal function tests or RFTs) assess how well the kidneys are filtering waste products from theβ¦
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