Zinc Protoporphyrin (ZPP)
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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.
Test FAQ: https://education.questdiagnostics.com/
Supply: 14187 - Tan-top K2 EDTA
Preferred Specimen: Whole Blood - PROTECTED FROM LIGHT
Preferred Volume: 4mL
Collection Instructions: Specimen should be foil-wrapped to protect from light. Use a lead-free tube if blood lead is also requested.
Transport Container: EDTA Lavender-top 4mL tube
Transport Temperature: Room Temperature
Specimen Stability: Room Temperature: 4 days
Reject Criteria: Specimens received frozen, hemolyzed, and/or clotted
For additional test, supply, or collection device information, please contact DLO's Customer Service at (800) 891-2917, option 2.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed.
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