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High-Density Lipoprotein Cholesterol

Test Overview

The HDL Cholesterol (High-Density Lipoprotein) test measures the levels of HDL cholesterol in the blood. HDL is often referred to as “good cholesterol” because it helps remove excess cholesterol from the bloodstream and reduces the risk of heart disease and stroke. Higher HDL levels are generally associated with better cardiovascular health.

Test Uses

  • Assess heart disease risk by evaluating cholesterol levels.
  • Monitor cholesterol management and effectiveness of lifestyle changes or medication.
  • Help diagnose lipid disorders that may contribute to cardiovascular disease.

HDL Cholesterol Test Results & Ranges

Test Component:Healthy Range:Risk Level:
HDL Cholesterol (mg/dL)Above 60 mg/dLOptimal (heart-protective)
40–59 mg/dL (Men)
50–59 mg/dL (Women)		Borderline (Moderate Risk)
Below 40 mg/dL (Men)
Below 50 mg/dL (Women)		Low HDL (Higher risk of heart disease)
  • Higher HDL levels are generally beneficial, as HDL helps transport excess cholesterol to the liver for removal.
  • Low HDL levels may increase the risk of atherosclerosis, heart disease, and stroke.

 

Expected Turnaround Time

  • Results Available: Typically within 24 hours.

Specimen Requirements

  • Sample Type: Blood sample (venipuncture).
  • Container: Serum separator tube (SST).

Collection Instructions

  • Fasting: Not required, but fasting for 9–12 hours may be recommended if part of a full lipid panel.
  • Avoid alcohol and high-fat meals for at least 24 hours before testing, as they can affect cholesterol levels.

Test Details

Clinical Use: HDL cholesterol plays a crucial role in heart health by helping to remove LDL (“bad cholesterol”) from arteries. This test is often included in a Lipid Panel for a comprehensive cholesterol assessment. Higher HDL levels are linked to a lower risk of heart disease, while lower HDL levels may indicate an increased cardiovascular risk.

Limitations: HDL levels can be influenced by genetics, lifestyle, diet, exercise, medications, smoking, and alcohol consumption. Other cholesterol markers (LDL, total cholesterol, and triglycerides) should be assessed for a complete cardiovascular risk evaluation.

The HDL Cholesterol test is a key indicator of heart health, helping to assess cardiovascular disease risk and cholesterol balance.

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