How often should I get blood work done?

For healthy adults under 40, annual blood work including a CBC and CMP is generally recommended. After 40, adding a lipid panel annually is standard. People with chronic conditions or risk factors may need blood tests every 3-6 months.

What blood tests should I get annually?

At minimum, a Complete Blood Count (CBC) and Comprehensive Metabolic Panel (CMP) are recommended annually for all adults. Additional tests like a lipid panel, thyroid function, HbA1c, and vitamin levels may be recommended based on your age, sex, and health history.

Do I need blood work more often if I have a family history of disease?

Yes. Family history of heart disease, diabetes, or other chronic conditions typically means more frequent screening. For example, a family history of heart disease may warrant lipid panels and CRP testing every 6 months rather than annually.

How Often Should You Get Blood Work Done? - Blood Test Frequency Guide

Why Regular Blood Work Matters

Blood tests are one of the most powerful tools in preventive medicine. They can detect conditions like diabetes, heart disease, thyroid disorders, and nutrient deficiencies long before symptoms appear. Catching these issues early gives you far more treatment options and significantly better outcomes.

Despite this, many adults only get blood work when they feel unwell. By that point, a condition may have been developing silently for years. Establishing a regular blood testing schedule based on your personal risk factors is one of the most impactful things you can do for your long-term health.

General Screening Guidelines

Major health organizations provide evidence-based recommendations for routine screening:

American Heart Association (AHA): Adults 20 and older should have cholesterol checked every 4-6 years. Those with cardiovascular risk factors need more frequent lipid testing.
U.S. Preventive Services Task Force (USPSTF): Recommends screening for diabetes in adults aged 35-70 who are overweight or obese. Adults with risk factors should begin screening earlier.
American Thyroid Association: Recommends thyroid screening beginning at age 35, then every 5 years for low-risk individuals.
CDC: Recommends all adults have a baseline CBC and metabolic panel, with annual follow-up if any values are abnormal or risk factors are present.

These general guidelines serve as a starting point. Your doctor may recommend a different schedule based on your specific health history, medications, and lifestyle.

Blood Tests by Age Group

Ages 18 - 29

Young adults in good health generally need basic annual blood work: a Complete Blood Count (CBC) to check for anemia and infections, and a Comprehensive Metabolic Panel (CMP) to assess kidney function, liver function, and blood sugar. If you have a family history of chronic conditions, additional tests may be warranted earlier.

Ages 30 - 39

In your 30s, metabolic changes become more common. In addition to CBC and CMP, a fasting glucose or HbA1c test to screen for pre-diabetes is increasingly recommended, especially if you have risk factors like obesity, family history, or a sedentary lifestyle. Thyroid function testing (TSH) should be considered, particularly for women.

Ages 40 - 49

After 40, cardiovascular risk rises significantly. A lipid panel (total cholesterol, LDL, HDL, triglycerides) should be part of your annual screening. This is also when baseline PSA testing may be discussed with males. Monitoring kidney and liver function becomes more important, especially if you take regular medications.

Ages 50 - 59

The 50s bring higher risk for a range of conditions. PSA screening for prostate health is commonly recommended for males. HbA1c testing for diabetes risk is standard. Vitamin D, B12, and iron studies become more relevant as absorption can decline with age. CRP testing for inflammation may be added if cardiovascular risk factors are present.

Ages 60+

After 60, comprehensive blood panels become especially important. Kidney function, liver enzymes, thyroid hormones, blood glucose, and a full CBC should be monitored at least annually. Many doctors recommend semi-annual testing for seniors with chronic conditions. Vitamin and mineral testing (D, B12, folate, iron) is commonly included to catch deficiencies that affect energy, cognition, and bone health.

Medical Disclaimer: This tool provides general educational guidelines based on published screening recommendations. It is not a substitute for professional medical advice, diagnosis, or treatment. Blood test frequency should always be determined in consultation with your healthcare provider, who can consider your complete medical history, current medications, and individual risk factors. If you have specific health concerns, please consult your doctor.

Track Your Blood Work Over Time

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Blood Test Frequency Recommender