Zinc Protoporphyrin (ZPP)

Fasting Required: No

Specimen: 2 mL whole blood collected in an EDTA (lavender-top) tube - protect from light

Results: 3 - 5 business days

Description: Zinc protoporphyrin (ZPP) is normally present in red blood cells in small amounts, but the level may increase in people with lead poisoning and iron deficiency. This test measures the level of ZPP in the blood.

Methodology: Hematofluorometry

Alternative Name(s):ZPP, ZP, Free Erythrocyte Protoporphyrin, FEP, ZPP/Heme Ratio

Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.