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Zinc Protoporphyrin (ZPP) : 948
Test CodeZPPQ or 948
Alias/See Also
Free Erythrocyte Protoporphyrin, Protoporphyrin, Zinc, ZPP
CPT Codes
84202
Transport Container
Preferred Specimen
2 mL whole blood collected in an EDTA Royal blue-top tube
Alternative Specimen: Whole blood collected in Lithium heparin Green-top tube
Minimum Volume
0.5 mL
2 mL whole blood collected in an EDTA Royal blue-top tube
Alternative Specimen: Whole blood collected in Lithium heparin Green-top tube
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated.
Specimen Stability
Room temperature: 4 days; Refrigerated: 10 days; Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Received frozen, Clotted, EDTA lavender top tube, Sodium Heparin tube
Methodology
Hematofluorometry
Setup Schedule
Monday - Saturday
Report Available
1 day (From receipt at performing laboratory)
Reference Range
Industrial Exposure <100 mcg/dL
(Refer to current OSHA regulation for exposure criteria.)
(Refer to current OSHA regulation for exposure criteria.)
Clinical Significance
Zinc protoporphyrin (ZPP) accumulates in erythrocytes as a result of chronic lead absorption or iron deficiency anemia.
Performing Laboratory
Quest Diagnostics
