Zinc Protoporphyrin (ZPP)

Supply #T02 - Lavender 4mL Blood Tube

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/

Collection Guide: 

Supply: T02 - Lavender 4mL Blood Tube

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.