HDL Cholesterol
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Lipid profile to assess cardiovascular risk by measuring cholesterol, LDL, HDL, triglycerides.
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🧪 What is HDL Cholesterol?
HDL (High-Density Lipoprotein) Cholesterol, often called “good cholesterol,” helps remove excess cholesterol from the bloodstream and transport it to the liver for excretion.
- It reduces the risk of atherosclerosis, stroke, and heart attack.
- Higher HDL levels are protective, while low levels are associated with increased cardiovascular risk.
❓ Why is the Test Done?
To:
- Evaluate cardiovascular disease (CVD) risk
- Monitor lipid profile as part of routine health screening
- Assess response to lifestyle changes or medications (e.g., statins)
- Investigate metabolic syndrome, obesity, or type 2 diabetes
📊 Normal Range
HDL Level (mg/dL) | Interpretation |
|---|---|
< 40 (Men) / < 50 (Women) | Low – higher heart disease risk |
40–59 | Borderline – average risk |
≥ 60 | Ideal – protective against heart disease |
🧠 Women typically have higher HDL due to estrogen effects.
📈 Interpretation of Results
HDL Level | Cardiovascular Risk |
|---|---|
Low (< 40 mg/dL) | Increased risk of heart disease, stroke, atherosclerosis |
Normal (40–59 mg/dL) | Average risk |
High (≥ 60 mg/dL) | Protective effect – reduced cardiovascular risk |
⚠️ Extremely high HDL (>100 mg/dL) may be abnormal and linked to dysfunctional HDL in rare cases.
🧠 Associated Organs & Conditions
Organ/System | Related Conditions |
|---|---|
Heart & Blood Vessels | Coronary artery disease (CAD), atherosclerosis, stroke |
Liver | HDL is synthesized and helps process excess cholesterol |
Endocrine/Metabolic | Metabolic syndrome, diabetes, obesity, thyroid dysfunction |
🔄 Related / Follow-Up Tests
- Complete Lipid Profile – Total cholesterol, LDL, VLDL, triglycerides
- LDL/HDL Ratio – Better indicator of heart disease risk
- Apolipoprotein A-I – Major protein in HDL
- Liver Function Tests (LFTs) – For cholesterol synthesis and breakdown
- Blood Sugar, HbA1c – Metabolic risk assessment
- CRP (hsCRP) – Marker of inflammation and heart disease risk
✅ Fasting Required?
Test | Fasting Requirement |
|---|---|
HDL Cholesterol Alone | ❌ Not mandatory – non-fasting acceptable |
Part of Full Lipid Profile | ✅ Recommended 9–12 hour fasting for accuracy |
📝 Summary Table
Parameter | Details |
|---|---|
What | Measures HDL cholesterol, the “good” cholesterol that protects against heart disease |
Why | Assess cardiovascular risk, monitor lipid management |
Normal Range | ≥60 mg/dL (ideal); <40 mg/dL = high risk |
High Levels | Protective against atherosclerosis and heart disease |
Low Levels | Increased risk of CAD, metabolic syndrome, diabetes |
Follow-up Tests | Full lipid panel, LDL/HDL ratio, Apo A-I, CRP |
Fasting Required | ❌ No, unless part of full lipid profile |
How our test process works!
