ZPP
A marker that rises with chronic lead exposure or iron deficiency.
What is it
Zinc protoporphyrin is a heme precursor that accumulates when iron is unavailable or when lead interferes with heme synthesis. It is used as a marker of chronic lead exposure and iron deficiency.
Why it's measured
Elevated ZPP has been associated with chronic lead exposure and iron deficiency in research literature.
Reference range
Standard laboratory reference
< 35 μg/dL
Reference ranges vary by laboratory. Your individual reference range will appear on your test report and should be interpreted by your physician in the context of your overall health profile.
What results may indicate
Elevated
Has been associated with chronic lead exposure or iron deficiency in research literature.
Lower
Generally considered favorable.
These associations are general. They are not a personal diagnosis or prediction. Discuss your individual results with your physician in the context of your full health profile.
When it's measured
Used in lead exposure screening and iron deficiency evaluation.
Related markers
Measured in
A complete look at your heart, hormones, metabolism, inflammation, and longevity systems — drawn at Quest or LabCorp, reviewed by a U.S.-licensed physician.
Explore the Apex Panel →This information is for general educational purposes only and is not medical advice. Lab results alone are not intended to diagnose, treat, or cure any condition and do not replace the advice of a healthcare provider. OPTML does not offer medical advice, a diagnosis, medical treatment, or any form of medical opinion.