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| Diagnosis
| Lipid disorders are diagnosed with blood tests that measure the level of cholesterol and tri-glyceride in the blood.
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| Blood Tests
| Cholesterol levels are checked with a blood test. A small blood sample is taken from a vein in your arm. You may need to fast for several hours, usually overnight, before your blood is taken. The test measures levels of
Total cholesterol
LDL (bad) cholesterol
HDL (good) cholesterol
Tri-glycerides
The readings are interpreted as follows
Total Cholesterol
| Level |
Interpretation |
| < 200 mg/dl |
Desirable |
| 200-239 mg/dl |
Borderline high |
| > 240 mg/dl |
High |
LDL Cholesterol
| Level |
Interpretation |
| < 100 mg/dl |
Optimal |
| 100-129 mg/dl |
Near optimal/above optimal |
| 130-159 mg/dl |
Borderline high |
| 160-189 mg/dl |
High |
| > 190 mg/dl |
Very high |
HDL Cholesterol
| Level |
Interpretation |
| > 60 mg/dl |
Protective against heart disease |
| < 40 mg/dl |
A major heart disease risk factor |
Total Cholesterol
| Level |
Interpretation |
| < 150 mg/dl |
Normal |
| 150-199 mg/dl |
Borderline high |
| 200-499 mg/dl |
High |
| > 500 mg/dl |
Very high |
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Sources
American Heart Association
National Heart, Lung, and Blood Institute
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