3 - 10 days
High Density Lipoprotein Cholesterol Fractions
HDL Cholesterol Subclasses
Cholesterol, HDL Subfractions
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Precipitation, Colorimetric, Enzymatic
HDL-2 cholesterol: 9 - 38 mg/dL; HDL-3 cholesterol: 22 - 35 mg/dL.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect blood in a red top or SST tube from a fasting patient (patient should be on a stable diet for 2 weeks and should fast for at least 12 hours prior to specimen collection). Centrifuge, aliquot serum into a plastic vial and freeze.