Lead and Zinc Protoporphyrin (ZPP), Clinical Monitoring, whole blood
Synonyms
Pb; Zinc Protoporphyrin; ZPP
Expected Turnaround Time
2 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Information
Lead: In-house validated method; ZPP: FDA Cleared
Specimen Requirements
Specimen
Whole blood, EDTA
Volume
2 mL
Minimum Volume
0.5 mL
Container
Royal blue-top (EDTA) metal-free tube
Storage Instructions
Submission/transport/storage: Refrigerate. Do not freeze. Specimen must be received within 5 days of collection. Protect from light.
Test Details
Use
Evaluate exposure to lead
Methodology
Inductively coupled plasma/mass spectrometry (ICP/MS); Fluorometry
Reference Interval
Lead: CDC guideline: <3.5 µg/dL; ZPP: <35 µg/dl