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Zinc Protoporphyrin (ZPP)

Test Code: 948

CPT Code: 84202

Alternative Name(s): Free Erythrocyte Protoporphyrin, Protoporphyrin, Zinc, ZPPP

Methodology: Hematofluorometry

Clinical Significance: Zinc protoporphyrin is elevated in chronic lead poisoning and iron deficiency anemia. Its measurement is commonly included in screening for lead exposure, and in evalutation of anemia. This assay is not recommended for monitoring acute intermittent porphyria.