What are the reference ranges for Lp(a)?

Updated: Aug 05, 2019
  • Author: Abimbola Farinde, PharmD, PhD; Chief Editor: Eric B Staros, MD  more...
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Answer

Answer

Reference ranges for lipoprotein (a) (Lp[a]), a type of low-density lipoprotein (LDL), vary, being dependent on assay and reporting laboratories. They also differ by population and may vary regionally worldwide. Nonetheless, many US lipidologists generally consider an Lp(a) level of less than 10 mg/dL to indicate a lower cardiovascular risk. Levels higher than 10 mg/dL are associated with an increase in cardiovascular risk (see Interpretation).

The apolipoproteins have a primary responsibility for the transport of lipids and cholesterol. Apolipoprotein B (apoB) is a nonexchangeable lipoprotein that exists in two forms in humans, apoB-100 and apoB-48.


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