Total Cholesterol
Disclaimer: Information on this page is for educational purposes. Consult a physician to interpret your test results. Lissa Health helps track biomarker trends but does not replace medical advice.
What This Test Measures
Total cholesterol is the sum of LDL, HDL, and part of VLDL. A key factor in atherosclerosis and cardiovascular risk.
Target values depend on overall cardiovascular risk (SCORE, Framingham).
Evaluated with LDL, HDL, and triglycerides for a complete lipid profile.
Normal Ranges
| Group | Reference Range |
|---|---|
| Men | <200 mg/dL (<5.0 mmol/L) optimal |
| Women | <200 mg/dL |
| Children | <170 mg/dL |
Reference ranges may vary by laboratory and assay method.
Causes of High Levels
- Diet high in saturated fats
- Hypothyroidism
- Diabetes
- Nephrotic syndrome
- Familial hypercholesterolemia
Causes of Low Levels
- Hyperthyroidism
- Malnutrition
- Advanced liver disease
- Certain drugs
Test Preparation
- Fasting 9–12 hours (required for lipid panel)
- Avoid alcohol beforehand
- Report statin use
Related Biomarkers
| Biomarker | Relationship |
|---|---|
| LDL Cholesterol | Atherogenic fraction |
| HDL Cholesterol | Protective fraction |
| Triglycerides | Metabolic component |
FAQ
How often should I take this test?
Annually after age 40; on statins — every 6–12 months.
What should I do if my result is abnormal?
Elevation — cardiovascular risk assessment; lifestyle changes and statins as indicated.
Last updated: June 2026