Zinc Protoporphyrin

Overview

  • EPIC Code:
  • LAB2639
  • Soft Test Code:
  • Send Out Test Code:
  • 948
Alternate Names
  • Free Erythrocyte Protoporphyrin
  • ZINCP
  • ZZP
Clinical Significance

Zinc protoporphyrin (ZPP) accumulates in erythrocytes as a result of chronic lead absorption or iron deficiency anemia.


Specimen Collection & Preparation

Specimen Requirements

2.0 Whole Blood collected in a Tan Top Tube - EDTA 


Transport And Storage

4 days Ambient
10 days Refrigerated


Collection Instructions

Use a lead-free tube if blood lead is also requested.


Minimum Volume

0.5 mL , pediatric 0.2 mL


Neonatal Volume

Clinical Interpretation

Reference Range:

< 100 mcg/dL



Test Comments:

Limitations: Aluminum and anemia of chronic disease may cause elevated results.


Methodology:
  • Fluorometric
Clinical Significance

Zinc protoporphyrin (ZPP) accumulates in erythrocytes as a result of chronic lead absorption or iron deficiency anemia.


Documentation

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes. 

Refer to current Occupational Safety and Health Administration (OSHA) regulation for exposure criteria


Production Schedule

Sites Performed
  • Quest - Chantilly
Days Performed
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Sendouts - Clinical
Turn Around Time

3 to 6 days


Coding & Compliance

CDM

00910090


CPT Coding

84202