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LDL cholesterol normal range: understanding bad cholesterol

LDL (low-density lipoprotein) is often called bad cholesterol. It carries cholesterol to the body, and when there is too much, it can settle in the walls of arteries and form plaques. Over the years this narrows the blood vessels and raises the risk of heart attack and stroke. LDL is one of the most important numbers in a lipid profile, and doctors use it to decide how to manage heart risk. High LDL usually causes no symptoms, so testing is the only way to know.

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LDL Cholesterol – Normal range chart

LevelValue (mg/dL)
OptimalBelow 100 mg/dL
Near optimal100 – 129 mg/dL
Borderline high130 – 159 mg/dL
High160 – 189 mg/dL
Very high190 mg/dL or more

Ranges differ a little from lab to lab.

What does my result mean?

LDL Cholesterol 130

At the start of the borderline high range. Your doctor will look at your other risk factors and may suggest lifestyle changes and a repeat test.

LDL Cholesterol 160

In the high range. Please discuss it with your doctor, who will judge your overall heart risk and advise the next steps.

LDL Cholesterol 190

Very high. Your doctor may check for inherited high cholesterol in the family and will guide you on treatment.

What this test checks

The test shows the amount of LDL cholesterol in mg/dL. Some labs calculate it from other lipid values, while others measure it directly (LDL direct). Your doctor will decide your target LDL based on your overall risk, which can be lower than the general range if you have diabetes or heart disease. Adults often check it every few years, or more often if advised.

Common reasons for a high value

  • Diet high in saturated fat and fried food
  • Low physical activity and excess weight
  • Family history (inherited high LDL)
  • Diabetes and underactive thyroid
  • Kidney conditions
  • Smoking

Common reasons for a low value

  • Overactive thyroid
  • Poor nutrition or long illness
  • Some liver diseases
  • Cholesterol-lowering treatment

How to prepare

LDL is part of the lipid profile, for which a 10–12 hour overnight fast is commonly asked; plain water is fine. Avoid alcohol and a heavy fatty meal the night before.

When to see a doctor

Talk to your doctor if your LDL is borderline or higher, especially if you have diabetes, high blood pressure, smoke or have a family history of heart disease. Chest pain, chest pressure or sudden breathlessness is an emergency – go to a hospital immediately.

Check with our calculator

LDL Cholesterol – FAQs

Why is LDL called bad cholesterol?

Because high LDL can deposit cholesterol in the walls of arteries. Over time this narrows them and raises the risk of heart attack and stroke.

What is the difference between LDL calculated and LDL direct?

Calculated LDL is worked out from total cholesterol, HDL and triglycerides. LDL direct is measured in the sample itself and can be more reliable when triglycerides are high.

Is LDL of 100 to 129 a problem?

It is called near optimal. For most healthy people this is acceptable, but people with diabetes or heart disease may be given a lower target by their doctor.

Can I collect the sample at home?

Yes. The blood sample is collected at your home in the morning after overnight fasting, and the report is shared on WhatsApp and email. No visit to a lab is needed.

This page is general information, not medical advice. The normal range printed on your own report is the one that applies, and only a doctor can tell what your result means for you.

Packages with this test

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JAANCH DIABETES COMPREHENSIVE package details

JAANCH DIABETES COMPREHENSIVE

92 tests included · Report in 24–48 hours
  • Lipid Profile (10): Total Cholesterol, Triglycerides, HDL Cholesterol - Direct, LDL Cholesterol - Direct, LDL/HDL Ratio, Non-HDL Cholesterol, TC/HDL Cholesterol Ratio, VLDL Cholesterol, HDL/LDL Ratio, TRIG/HDL Ratio
  • Kidney Profile (7): BUN/Serum Creatinine Ratio, Blood Urea Nitrogen, Calcium, Serum Creatinine, Uric Acid, Urea (Calculated), Urea/Sr. Creatinine Ratio
  • Diabetes Profile (2): HbA1c, Average Blood Glucose (ABG)
  • Fasting Blood Sugar (Glucose)
  • + 13 more
₹5,670 ₹3,499 38% OFF
You save ₹2,171
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Jaanch Heart Comprehensive

73 tests included · Report in 24–48 hours
  • Cardiac Risk Markers (6): High Sensitivity C-Reactive Protein (hs-CRP), Lipoprotein (a) [Lp(a)], Apo B/Apo A1 Ratio (apo B/A1), Apolipoprotein - A1 (apo-A1), Apolipoprotein - B (apo-B), Homocysteine
  • Lipid Profile (10): Total Cholesterol, HDL Cholesterol - Direct, LDL Cholesterol - Direct, LDL/HDL Ratio, Non-HDL Cholesterol, TC/HDL Cholesterol Ratio, Triglycerides, VLDL Cholesterol, HDL/LDL Ratio, TRIG/HDL Ratio
  • Troponin I Heart Attack Risk (ACTNI)
  • Kidney Profile (7): BUN/Serum Creatinine Ratio, Blood Urea Nitrogen, Calcium, Serum Creatinine, Uric Acid, Urea (Calculated), Urea/Sr. Creatinine Ratio
  • + 7 more
₹4,250 ₹3,499 18% OFF
You save ₹751
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Jaanch Heart Screening

16 tests included · Report in 24–48 hours
  • Cardiac Risk Markers (6): High Sensitivity C-Reactive Protein (hs-CRP), Lipoprotein (a) [Lp(a)], Apo B/Apo A1 Ratio (apo B/A1), Apolipoprotein - A1 (apo-A1), Apolipoprotein - B (apo-B), Homocysteine
  • Lipid Profile (10): Total Cholesterol, HDL Cholesterol - Direct, LDL Cholesterol - Direct, LDL/HDL Ratio, Non-HDL Cholesterol, TC/HDL Cholesterol Ratio, Triglycerides, VLDL Cholesterol, HDL/LDL Ratio, TRIG/HDL Ratio
₹1,399 ₹899 36% OFF
You save ₹500
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Jaanch Heart Advanced

58 tests included · Report in 24–48 hours
  • Cardiac Risk Markers (6): High Sensitivity C-Reactive Protein (hs-CRP), Lipoprotein (a) [Lp(a)], Apo B/Apo A1 Ratio (apo B/A1), Apolipoprotein - A1 (apo-A1), Apolipoprotein - B (apo-B), Homocysteine
  • Lipid Profile (10): Total Cholesterol, HDL Cholesterol - Direct, LDL Cholesterol - Direct, LDL/HDL Ratio, Non-HDL Cholesterol, TC/HDL Cholesterol Ratio, Triglycerides, VLDL Cholesterol, HDL/LDL Ratio, TRIG/HDL Ratio
  • Troponin I Heart Attack Risk (ACTNI)
  • Kidney Profile (7): BUN/Serum Creatinine Ratio, Blood Urea Nitrogen, Calcium, Serum Creatinine, Uric Acid, Urea (Calculated), Urea/Sr. Creatinine Ratio
  • + 3 more
₹2,199
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