Age (years) Enter your age in whole years (45 to 85)

Sex Select sex Female Male Select your sex assigned at birth

Race/Ethnicity Select race/ethnicity White African American Hispanic Chinese American Select the group that best describes you

Total Cholesterol (mg/dL) Enter your total cholesterol from a blood test

HDL Cholesterol (mg/dL) Enter your HDL (good) cholesterol from a blood test

Systolic Blood Pressure (mmHg) Enter the top number of your blood pressure reading

Hypertension Treatment (yes/no)

Check if you take blood pressure medication

Smoking Status (yes/no)

Check if you currently smoke

Diabetes Status (yes/no)

Check if you have been diagnosed with diabetes

Coronary Artery Calcium Score (Agatston units) Enter your CAC score from a heart CT scan

Quick Examples:

Low-risk, age 50, CAC 0 Higher-risk, age 70, CAC 400

Calculate Clear

This calculator is a screening tool only, not a diagnostic instrument. It is not intended to replace professional medical evaluation. Consult a healthcare provider.

What Is 10-Year Coronary Heart Disease Risk

Ten-year coronary heart disease risk is an estimate of how likely you are to develop heart disease over the next ten years. Heart disease happens when the blood vessels that supply the heart get narrowed or blocked. This number is based on things like your age, blood pressure, cholesterol levels, and calcium buildup in your heart arteries. It gives you and your doctor a general idea of your heart health so you can talk about next steps together.

How 10-Year Coronary Heart Disease Risk Is Calculated

Formula

The calculator first turns each of your inputs into a number. Things like sex, race, and treatment status become 0 or 1. Your calcium score is changed using a math step called a natural log, which helps make very high scores less extreme. Then each number is multiplied by a coefficient, which is a weight that shows how much that factor matters. All of those weighted values are added together to get your linear predictor. That predictor is compared to the average person in the study. The result is applied to a baseline survival number to get your final risk percentage. In simple terms, the farther your predictor is above average, the higher your estimated risk.

Why 10-Year Coronary Heart Disease Risk Matters

Knowing your estimated heart disease risk helps you and your doctor make informed choices about your health. It may guide talks about lifestyle changes, tests, or treatments that could lower your chance of a heart problem in the future.

Why Heart Disease Risk Screening Is Important for Early Action

Heart disease often develops slowly over many years without any warning signs. A person may feel fine while plaque quietly builds up in their arteries. If this process is not caught early, it may lead to a heart attack or other serious event. Checking your estimated risk may help you and your doctor find areas to address before a problem occurs, such as managing blood pressure or cholesterol levels.

For Older Adults

Age is one of the strongest factors in this calculation. As people get older, their estimated risk naturally goes up even if other numbers look good. An older adult with a moderate score may still want to talk with their doctor about whether extra steps, such as a calcium scan or adjusted medications, may be worth considering based on their full health picture.

MESA Risk Calculator vs ASCVD Pooled Cohort Equations

The ASCVD Pooled Cohort Equations are another widely used tool that estimates heart risk using age, cholesterol, blood pressure, and smoking. The key difference is that the MESA calculator also includes your coronary artery calcium score. This extra piece of information may change your estimated risk up or down. Some people who look moderate on ASCVD may shift to a lower or higher category once their calcium score is added. The MESA approach is often considered more specific because it uses an actual measure of plaque in your arteries rather than just risk factors.

Example Calculation

Consider a 50-year-old White female with a total cholesterol of 180 mg/dL, HDL cholesterol of 60 mg/dL, systolic blood pressure of 110 mmHg, no blood pressure medication, no smoking, no diabetes, and a coronary artery calcium score of 0 Agatston units.

The calculator encodes her sex and race as 0, and since her calcium score is 0, the log transformation gives ln(0 + 1) = 0, so calcium adds nothing to her linear predictor. Her other values are multiplied by their coefficients and added together, giving a linear predictor of about 1.81. This is compared to the study mean of 2.5, resulting in a value below average.

Your Calculation: 10-Year CHD Risk = 2.5%, Risk Category = Lower estimated risk

This result suggests her estimated risk falls in the lower category based on the MESA study data. She may discuss with her doctor whether current habits are helping maintain this level and whether any routine screening tests are recommended at her age. This estimate does not guarantee any outcome and should be part of a broader conversation with a healthcare provider.

Frequently Asked Questions

How do I get my coronary artery calcium score?

A coronary artery calcium score comes from a quick CT scan of your heart called a cardiac calcium scan. It is a low-dose test that takes only a few minutes. Your doctor can order this test for you. It does not use dye or needles and is widely available at hospitals and imaging centers.

How often should I use the MESA risk calculator?

You may find this calculator useful when you have new lab results, after getting a calcium scan, or during a yearly checkup with your doctor. It can also help track changes in your estimated risk over time if you update your numbers after making lifestyle changes or starting new medications.

What age range does the MESA risk calculator cover?

This calculator is designed for adults between 45 and 85 years old. The MESA study did not include people outside this range, so results for younger or older individuals may be less reliable. If you are outside this range, your doctor may recommend a different approach to assess your heart risk.

Can I use this calculator if I have a history of heart disease?

This calculator is built for people who have not yet been diagnosed with coronary heart disease. If you already have heart disease, have had a heart attack, or have had a stent or bypass surgery, this tool may not apply to your situation. Talk to your doctor about the best way to manage your risk.