Díaz Lab Testing Store › Lp(a) | Lipoprotein (a) | Serum (Quest) Image 1 of 1 Lp(a) | Lipoprotein (a) | Serum (Quest) $47.00 Lipoprotein(a) — an inherited cardiovascular risk marker that standard cholesterol panels completely miss. Add To Cart Added! Lipoprotein(a) — an inherited cardiovascular risk marker that standard cholesterol panels completely miss. Add-on | Interpretation for Individual Markers $17.00 Add Added!