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Low-Density Lipoprotein- Cholesterol (LDL-C)

Low-Density Lipoprotein- Cholesterol (LDL-C)

low-density lipoprotein cholesterol (LDL-C) is “bad” cholesterol, which carries mostly fat and only a small amount of protein from the liver to other parts of the body. A high LDL cholesterol level is considered a risk factor for coronary artery disease (CAD) because, under certain conditions, it can cause hardening of the arteries (atherosclerosis).

A fasting cholesterol test is the most complete test because it measures all of the fats in your blood, including LDL and HDL cholesterol, and triglycerides. You cannot have food for 9 to 12 hours before this test.

SPECIMEN:

Patients should refrain from eating for 10 to 14 hours before blood is drawn.

Blood should be collected by venin puncture, after the patient has been in

a seated position for at least 5 minutes. Tourniquet usage should be

kept to a minimum and the specimen should be allowed to clot for 30

minutes at room temperature. The best specimen is unhemolysed serum, and should be analyzed on the day of collection.

Normal Rang :

Normal Rang  of  LDL-C :

• An LDL cholesterol level of less than 100 mg/dL (less than 2.6 mmol/L) is considered optimal.
• 100 to 129 (2.6 to 3.35) is considered near optimal.
• 130 to 159 (3.35 to 4.10) is considered borderline high.
• 160 to 189 (4.12 to 4.88) is considered high.
• 190 and above (4.90 and above) is considered very high.

Low-Density Lipoprotein- Cholesterol (LDL-C)

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