Triglycerides (Serum)

Why This Test Matters

Triglycerides are a form of fat that your body uses for energy. High levels can contribute to plaque buildup in your arteries, increasing the risk of heart disease or stroke. This test helps doctors monitor your lipid profile and guide treatment plans for conditions like high cholesterol or metabolic disorders.

What to Expect Before the Test

No special preparation is needed for this blood test, but you may be asked to fast for 8–12 hours before your visit if your doctor recommends it. This helps provide more accurate results. Bring any medications you’re currently taking, as they may affect your triglyceride levels.

How the Test Works

A small blood sample is drawn from your arm. The sample is sent to a lab where it is analyzed to measure triglyceride concentration. The result is expressed in milligrams per deciliter (mg/dL) or, in some cases, as a ratio to other fats in your blood.

What the Results Mean

Your results will be compared to general reference ranges provided by your healthcare provider. While exact values vary by lab, high levels (typically above 150 mg/dL) may signal increased risk for cardiovascular issues, while very low levels (below 50 mg/dL) might warrant further evaluation for conditions like malnutrition or liver disease.