Use BloodTestCentersUSA.com to search by ZIP code, city, or test type and find certified labs close to you.
In most states, you can get many common blood tests without a referral through direct access testing.
Prices vary, but many basic tests start from $30–$50 when paying out-of-pocket.
Yes, most labs listed on BloodTestCentersUSA.com deliver results via secure online portals.
Blood tests are one of the most effective ways to assess your overall health, detect diseases early, and monitor medical conditions. In the U.S., millions of people take blood tests every year for routine checkups, employment requirements, or specific medical concerns.
If you’re looking for a convenient way to book a blood test without a doctor’s referral, visit BloodTestCentersUSA.com — a nationwide directory of blood test locations.
In this article, we’ll explore the top 10 most common blood tests and explain what they detect.
1. Complete Blood Count (CBC)
A CBC measures the levels of different components in your blood, including red blood cells, white blood cells, hemoglobin, hematocrit, and platelets.
What it detects: Anemia, infections, immune system disorders, and certain cancers.
2. Basic Metabolic Panel (BMP)
The BMP evaluates your metabolism and includes tests for blood sugar, calcium, electrolytes, and kidney function.
What it detects: Diabetes, kidney disease, electrolyte imbalances.
3. Comprehensive Metabolic Panel (CMP)
CMP includes all BMP tests plus additional markers for liver function.
What it detects: Liver disease, kidney disorders, nutritional deficiencies.
4. Lipid Panel
A lipid panel measures cholesterol and triglyceride levels.
What it detects: Risk of heart disease, atherosclerosis, and high cholesterol.
5. Thyroid Function Tests
These tests measure TSH, T3, and T4 hormones.
What it detects: Hypothyroidism, hyperthyroidism, thyroid nodules.
6. Hemoglobin A1C
This test reflects your average blood sugar levels over the past 2–3 months.
What it detects: Prediabetes and diabetes.
7. Prothrombin Time (PT/INR)
A PT/INR test measures how quickly your blood clots.
What it detects: Clotting disorders, effects of blood-thinning medications.
8. Vitamin D Tes
Measures the level of vitamin D in your blood.
What it detects: Vitamin D deficiency, bone health issues.
9. Sexually Transmitted Disease (STD) Test
Blood tests for STDs can detect HIV, syphilis, hepatitis, and more.
What it detects: Various sexually transmitted infections (STIs).
10. C-Reactive Protein (CRP)
Measures CRP levels, an indicator of inflammation in the body.
What it detects: Chronic inflammation, infection, autoimmune conditions.
Where to Get These Blood Tests
The good news is you can get most of these tests without seeing a doctor first. Many labs in the U.S. allow direct access testing so you can book online and walk in for a blood draw.
To find a location near you, use BloodTestCentersUSA.com — the fastest way to search for certified labs across all states.
Final Thoughts
Understanding your blood tests is the first step toward better health. Whether it’s a routine CBC or a specialized test like CRP, getting tested regularly can help detect potential health problems early.
If you’re ready to book your next test, visit BloodTestCentersUSA.com to find affordable, convenient locations nationwide.
