Zinc Protoporphyrin (ZPP), Whole Blood : ARUP Lab Tests

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Zinc Protoporphyrin (ZPP), Whole Blood : 0020605

Mnemonic: ZPP

Methodology:	Hematofluorometry
Performed:	Mon-Fri
Reported:	1-4 days
Specimen Required:	Collect: One 7 mL royal blue or tan (EDTA) or one 5 mL lavender (EDTA) or pink (K₂ EDTA). Transport: 1 mL whole blood at 2-8°C. (Min: 0.2 mL) Remarks: Use royal blue (EDTA) tube when also testing for lead. Unacceptable Conditions: Frozen, hemolyzed, or clotted specimens. Stability: Ambient: 30 hours; Refrigerated: 5 weeks; Frozen: Unacceptable

Reference Interval: 0-69 µmol ZPP/mol heme
Note:	Elevated ZPP results are seen in early and late iron deficiency, the anemia of chronic disease, chronic lead poisoning, and erythropoietic protoporphyria. Elevated bilirubin or riboflavin and hemolyzed, clotted, or improperly aliquoted specimens may falsely increase the ZPP concentration. A more specific test for free protoporphyrin is Porphyrins, Serum Total (0080429). Erythrocyte Porphyrin (EP), Whole Blood (0020610), measures free protoporphyrin and zinc protoporphyrin.
CPT Code(s):	84202

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