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Intel Lab Diagnostics Dubai
Single Biomarker

Cholesterol, HDL

Good (HDL) Cholesterol

HDL cholesterol is the 'good' cholesterol that helps remove excess cholesterol from your arteries. Higher HDL levels are associated with a lower risk of heart disease. Fasting for 10–12 hours is recommended.

BLOOD24 HOURSFASTING
AEDAED70
  • Free home collection
  • Physician-reviewed report

24 Hours

Turnaround

Blood

Sample

About This Test

What the Cholesterol, HDL test tells you

Cholesterol does not dissolve in blood, so it is carried inside protein-wrapped packages called lipoproteins. High-density lipoprotein is the smallest and densest of these. Its job is largely a collection service: it picks up excess cholesterol from tissues and from the walls of arteries and returns it to the liver, which disposes of it through bile. That process is why HDL cholesterol is often described as the protective fraction.

In population studies a higher HDL has long been associated with a lower rate of heart attack and stroke, and a low HDL is one of the components used to define metabolic syndrome alongside waist size, blood pressure, triglycerides and blood sugar. The association is genuine, but it is not a simple lever. Medicines developed specifically to raise HDL have not reliably reduced cardiovascular events, and very high levels in some people appear to carry no additional benefit. Current thinking treats HDL as a marker of overall metabolic health rather than something to be maximised on its own.

What does move HDL is mostly lifestyle: regular aerobic exercise, weight loss, stopping smoking, and replacing refined carbohydrate and trans fats with better-quality fats. Genetics sets a large part of the baseline, and a low HDL runs strongly in some families. Because the value only makes sense next to LDL, triglycerides and total cholesterol, it is almost always measured within a lipid profile, and your doctor weighs the whole pattern along with blood pressure, blood sugar, smoking status and family history when estimating cardiovascular risk.

Sample type
Blood
Measured in
mg/dL
Turnaround
24 Hours
Fasting
Required
Best for
Adults & teens
Why Get Tested?

Essential component of cardiovascular risk assessment. Helps determine your overall cholesterol ratio and guides preventive strategies.

  • Estimating cardiovascular risk

    HDL is an input to the risk calculators doctors use to judge the chance of heart attack or stroke over coming years.

  • Completing the lipid picture

    Ratios and calculated values in a lipid profile, including non-HDL cholesterol, depend on this measurement.

  • Identifying metabolic syndrome

    A low HDL is one of the defining features of metabolic syndrome, alongside triglycerides, waist size, blood pressure and glucose.

  • Tracking lifestyle change

    Exercise, weight loss and stopping smoking raise HDL measurably, so repeat testing gives objective feedback.

When This Test Is Ordered

Reasons your doctor may request the Cholesterol, HDL test

Your doctor may order this test for any of the reasons below. Some are routine checks, others follow specific symptoms or an earlier result.

  • Routine lipid screening

    • Part of a routine lipid profile or preventive health check.

  • Risk factors & family history

    • Family history of early heart disease, stroke or an inherited lipid disorder.
    • Diabetes, prediabetes, high blood pressure, obesity or a large waist measurement.
    • Current or past smoking, or a largely sedentary lifestyle.

  • Treatment & known heart disease

    • Monitoring the response to lipid-lowering treatment or a structured lifestyle programme.
    • Known cardiovascular disease requiring ongoing assessment.
Preparation
The short version
A little prep.
  • Blood
  • Free home collection
  • Fasting required
  • Results in 24 Hours
  1. 1
    Book any time

    Pick a morning slot online or on WhatsApp: come fasted per the prep note below.

  2. 2
    We come to you

    A DHA-licensed nurse collects your sample at home or in the office: free home collection.

  3. 3
    Results in 24 Hours

    A physician-reviewed, easy-to-read report lands securely by WhatsApp and email.

Prep note
Physician reviewed

This test is done fasting.

Take nothing but plain water for roughly ten to twelve hours beforehand: no food, no juice, no coffee or tea with milk or sugar, no chewing gum. Keep drinking water, since being dehydrated concentrates the sample.

Avoid alcohol for two to three days before the draw and avoid unusually heavy exercise the day before, as both distort lipid results. Take your regular prescribed medicines unless your doctor has told you otherwise, and mention statins, fish oil, hormone therapy or steroids.

If you have been unwell, injured or had surgery recently, tell your doctor, since lipids shift during and after acute illness.

Understanding Your Results

A result in the Optimal band, 60 to 100 mg/dL, is the protective end of the range. Acceptable, 40 to 59 mg/dL, is where many people sit and is generally fine when the rest of the lipid pattern is in order. A result in the At risk band, 10 to 39 mg/dL, is associated with higher heart-disease risk and is one of the components used to define metabolic syndrome; insulin resistance, smoking, weight carried around the abdomen, inactivity and inherited factors are the usual explanations. HDL is best read as a marker of overall metabolic health rather than a number to be maximised on its own. It dips temporarily during acute illness, infection, injury and in the weeks after a heart attack, so those are poor moments to test. Your doctor reads it within the full lipid profile and alongside your blood pressure, blood sugar, smoking status, family history and symptoms.

SmartReport
4060
Healthy zone80mg/dLOptimal
Reference ranges · mg/dL
At risk
Low HDL is associated with higher heart-disease risk.
10–39
Acceptable
Acceptable protective level.
40–59
Optimal
Optimal: protective against heart disease.
60–100

Ranges are a guide: your physician interprets your result alongside your symptoms and history.

Reading a High or Low Result

  • What a higher result can point to

    • Regular aerobic exercise and a physically active lifestyle.
    • Inherited variations that raise HDL, which are usually harmless.
    • Regular moderate alcohol intake, which raises HDL without being a recommended strategy.
    • Oestrogen, whether naturally occurring or from hormone therapy.
    • Weight loss and improved insulin sensitivity.

  • What a lower result can point to

    • Insulin resistance, diabetes or metabolic syndrome.
    • Smoking, which lowers HDL and improves after stopping.
    • Obesity, particularly with fat carried around the abdomen.
    • A sedentary lifestyle with little aerobic activity.
    • A diet high in refined carbohydrate or trans fats.
    • Inherited low-HDL conditions, and some medicines including anabolic steroids.

These are possibilities, not diagnoses. A single value outside the reference range is interpreted alongside your symptoms, history and other tests: your doctor decides what it means for you.

Limitations & Safety

What this test cannot tell you

  • A low HDL flags increased risk but does not by itself diagnose or predict disease in any individual.
  • Raising HDL with medicine has not been shown to reduce heart attacks and strokes, so treatment focuses on the other lipid fractions and on lifestyle.
  • The value can dip temporarily during acute illness, infection, injury or in the weeks after a heart attack, so testing at those times can mislead.

Risks of the blood draw

  • Mild bruising or brief soreness where the needle went in.
  • Occasional lightheadedness, which settles after a few minutes of rest.
  • Bleeding or infection at the site, which is rare with sterile single-use equipment.
Key Points
  • 1HDL particles carry excess cholesterol away from tissues and arteries back to the liver for disposal.
  • 2Higher levels are associated with lower cardiovascular risk, but HDL is a marker of metabolic health rather than a treatment target in itself.
  • 3A low HDL is one of the defining components of metabolic syndrome.
  • 4Exercise, weight loss and stopping smoking are the changes that reliably raise it.
  • 5It is interpreted within the full lipid profile and alongside blood pressure, glucose and family history.
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Frequently Asked Questions

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Up to a point higher HDL is associated with lower risk, but very high levels do not appear to add protection, and medicines that raise HDL have not reduced heart attacks. It is best read as one signal of metabolic health, not a score to maximise.