Cholesterol blood test – how to read the result
What total cholesterol, LDL, HDL and triglycerides mean, why the whole cardiovascular risk matters and what to ask after a blood test.
A cholesterol result is a group of numbers
A lipid or cholesterol blood test can report total cholesterol, LDL cholesterol, HDL cholesterol and triglycerides. No single number gives the complete answer. A clinician interprets the result with blood pressure, diabetes, smoking, kidney health, age, family history and previous cardiovascular disease.
What the common terms describe
- Total cholesterol is a combined measure, not a stand-alone treatment decision.
- LDL is often discussed as a cholesterol fraction linked to cardiovascular risk.
- HDL is another fraction that forms part of the overall picture.
- Triglycerides are another type of blood fat and can be affected by health and recent intake.
Laboratory ranges and treatment targets can differ with the person's risk. Ask the clinician which number matters most for you and when it should be repeated.
Turn a result into a plan
- Ask whether the sample needed fasting and how that affects interpretation.
- Review blood pressure, glucose, smoking, weight, kidney health and family history.
- Ask whether lifestyle changes, monitoring or medicine is recommended.
- Record the next test or review date rather than keeping only the result photo.
Cholesterol is usually not an emergency symptom
Common questions
- What cholesterol level is high in South Africa?
- The result is interpreted against the person's cardiovascular risk and the laboratory's reference information. Ask the clinician for the target that applies to you.
- Do I need to fast for a cholesterol test?
- The laboratory or clinician will tell you whether fasting is required for the panel being ordered. Do not change your usual medicines or food routine without asking.
Sources
- Primary Healthcare Standard Treatment Guidelines and Essential Medicines ListNational Department of Health, South Africa
- Adult Primary Care guide: symptom-based integrated approach to the adult in primary careNational Department of Health, South Africa
Last reviewed 26 August 2026.