Table 2: Diagnostic criteria for diagnosing heterozygous familial hypercholesterolemia.

LDL-C level Total Score Diagnosis FH
> 8.5 mmol/L (> 325 mg/dL) 8 > 8 points Definite FH
6.5-8.4 mmol/L (251-325 mg/dL) 5 6-8 points Probable FH
5.0-6.4 mmol/L (191-250 mg/dL) 3 3-5 points Possible FH
4.0-4.9 mmol/L (155-190 mg/dL) 1 0-2 points Unlikely FH

From Dutch Lipid Network Database (Reproduced from [29]).