Medical Information Only
This site provides general health information for educational purposes only — not a substitute for professional medical advice. Always consult your doctor about your results.
Your lipid panel showed an elevated LDL and now you're worried about heart disease. Before you panic — understanding what each number means in context is everything.
Internal Medicine, Metabolic Disease ·
The essentials — before you read the full guide below.
Total cholesterol, LDL ("bad"), HDL ("good"), and triglycerides. LDL and HDL together tell a more complete story than total cholesterol alone.
Below 100 mg/dL is optimal. 130–159 is borderline high. 160+ is high. Your personal target depends on your other cardiovascular risk factors.
A lipid panel should be drawn after 9–12 hours of fasting for the most accurate triglyceride reading.
Unlike most lab values, for HDL you want it high. Below 40 mg/dL (men) or 50 (women) is a cardiovascular risk factor.
Reference Ranges
Use the interactive slider below, or read the range cards for a full clinical breakdown.
Drag to see what your Lipid Panel (Cholesterol Test) means
The Science
Cholesterol isn't inherently dangerous — your body needs it to build cell membranes and hormones. The problem is when LDL carries cholesterol into arterial walls, forming plaques that narrow blood vessels over years.
LDL particles carry cholesterol to tissues. When LDL is high, excess cholesterol is deposited in artery walls, forming atherosclerotic plaques over 10–30 years.
HDL acts as a reverse cholesterol transporter — picking up excess cholesterol from artery walls and returning it to the liver for elimination.
Triglycerides above 200 mg/dL indicate poor metabolic health — often linked to insulin resistance, excess alcohol, and refined carbohydrate intake.
When to Test
These are the most common reasons a Lipid Panel (Cholesterol Test) test is requested — from symptoms to routine screening.
The lipid panel is the primary tool for assessing 10-year cardiovascular risk. Guidelines recommend testing from age 20.
Primary screeningIf a parent or sibling had a heart attack before age 55 (men) or 65 (women), earlier and more frequent testing is recommended.
High riskHigh saturated fat intake, excess weight, and physical inactivity all raise LDL. Lifestyle screening is recommended.
Risk factorStatins reduce LDL by 30–50%. A lipid panel every 3–6 months confirms the medication is working.
MonitoringDiabetes significantly raises cardiovascular risk. ADA recommends annual lipid panels for all people with diabetes.
Annual screeningCholesterol deposits around eyelids or tendons are visible signs of severely elevated LDL — urgent screening needed.
Urgent signTesting Schedule
Frequency depends on your current health status and your doctor's guidance.
Low-risk adults with no family history or risk factors. Every 4–6 years from age 20 per ACC/AHA guidelines.
Overweight, mildly elevated prior results, family history, or age 40+ with additional risk factors.
After starting or changing statin dose — to confirm LDL reduction and adjust if needed.
All people with diabetes or existing cardiovascular disease should have annual lipid monitoring.
If Your Result Is Abnormal
For borderline or mildly elevated LDL, lifestyle changes alone can reduce LDL by 20–30% before medication is considered.
Replacing saturated fat (red meat, full-fat dairy) with unsaturated fats (olive oil, avocado, nuts) can reduce LDL by 8–15% in 3 months.
−8 to −15% LDL10–25g of soluble fibre daily (oats, beans, psyllium) binds cholesterol in the gut before absorption.
−5 to −10% LDL150 minutes per week of moderate aerobic exercise raises HDL by 5–10% and modestly reduces LDL.
↑HDL 5–10%Trans fats raise LDL and lower HDL simultaneously. Processed foods, margarine, and fried fast food are primary sources.
Avoid completelyClinician-reviewed articles published in this category — referenced, sourced, and written for patients and practitioners alike.
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