Diagnostic Testing
Baseline Wellness Blood Testing: What a Panel Includes and How Often to Test
A baseline panel typically includes a complete blood count, metabolic panel, lipids, glucose or HbA1c, and thyroid testing. How often to repeat it depends on age, risk factors, and symptoms.
Reviewed by the clinical team at Zest Regen Health · October 7, 2026 · 6 min read
Content managed by Phil Kim, Lucky Consulting Group
A baseline wellness blood panel typically includes a complete blood count (CBC), a comprehensive metabolic panel (CMP), a lipid panel, glucose or HbA1c, and a thyroid test such as TSH. There is no single mandatory annual panel for every adult: evidence shows that broad, blind annual testing of healthy people does not clearly improve outcomes, so testing frequency is matched to age, risk factors, and symptoms. At Zest Regen Health in Columbia, Maryland, diagnostic wellness testing is ordered based on your history and goals, not sold as a one-size-fits-all package.
What a baseline panel commonly includes
| Test | What it helps evaluate |
|---|---|
| Complete blood count (CBC) | Red and white blood cells, hemoglobin, and platelets |
| Comprehensive metabolic panel (CMP) | Glucose, electrolytes, and kidney and liver function |
| Lipid panel | Total cholesterol, LDL, HDL, and triglycerides |
| HbA1c or fasting glucose | Average blood sugar and diabetes risk |
| TSH | Thyroid function and its effect on energy and metabolism |
What current guidance says about frequency
The U.S. Preventive Services Task Force (USPSTF) and major medical organizations recommend targeted screening matched to age and risk rather than a blanket annual panel. Blood pressure screening is recommended for all adults. For lipids, a reasonable screening interval for average-risk adults is about every five years, and the American Heart Association and American College of Cardiology suggest lipid testing every four to six years for adults 20 and older. For diabetes, the USPSTF recommends screening adults aged 35 to 70 who are overweight or obese, repeating every three years if results are normal. In practice, many primary care doctors order a basic panel at an annual physical, and the right interval for you depends on your family history, medications, and risk factors.
- Blood pressure: all adults; annually for those 40 or older or at increased risk
- Lipids: about every five years for average-risk adults
- Diabetes: adults 35 to 70 who are overweight or obese, every three years if normal
- Thyroid: when symptoms or risk factors warrant it, not on a fixed schedule for everyone
When testing goes beyond the baseline
Fatigue, unexplained weight change, hormone symptoms, or a family history of a specific condition can shift the panel: hormone testing, vitamin D, iron studies, and more detailed thyroid testing are added when the history supports it. That is where a physician-guided clinic differs from a walk-in lab: the tests are chosen to answer a question about you, and the results are interpreted in the context of your symptoms and goals.
See how diagnostic wellness testing works at the Columbia clinic (/services/wellness-testing/).
Read about what diagnostic wellness testing is (/blog/what-is-diagnostic-wellness-testing/).
Learn how hormone testing works (/blog/how-hormone-testing-works/).
Meet our physicians, who evaluate patients at Zest Regen Health (/dr-francisco-ward/).
Sources & further reading
Next step
If you want to understand your health markers or have symptoms that deserve a closer look, start with an evaluation. Book a free 15-minute consultation at the Columbia clinic to discuss what testing may be appropriate for you.
Talk with our care team about this topic
A member of our clinical team can answer your questions at the Columbia, Maryland clinic. If Diagnostic Wellness Testing may be appropriate for you, the first step is a consultation.
Care at Zest Regen Health is physician-guided. Meet our physicians, who evaluate patients at the Columbia, Maryland clinic.