Home
HelpTest Code ZPP Zinc Protoporphyrin (ZPP)
Specimen Required
Specimen Type: Whole Blood EDTA
Collection Container/Type
Preferred: Royal blue-top (EDTA) plastic trace element blood collection tube
Acceptable: Tan top (EDTA), Royal blue top (sodium heparin), Green top (sodium or lithium heparin), Tan top (sodium heparin)
Specimen Volume: 2 mL
Collection Instructions:
- Protect from light (specimen should be foil wrapped to protect from light)
Specimen Minimum Volume
0.5 mL (0.2 mL pediatric)
Specimen Stability
Room temperature: 4 days
Refrigerated: 10 days
Frozen: Unacceptable
Reference Range
Industrial Exposure <100 mcg/dL
(Refer to current OSHA regulation for exposure criteria.)
Rejection Due To
Hemolysis • Received frozen • Clotted • EDTA (lavender-top) tube • Not protected from light
Day(s) and Time(s) Performed
Mon-Sat
Report Available
1-2 days
Clinical Significance
Zinc protoporphyrin (ZPP) accumulates in erythrocytes as a result of chronic lead absorption or iron deficiency anemia.
Method Name
Hematofluorometry
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.
CPT Code(s)
84202
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
Limitations
Aluminum and anemia of chronic disease may cause elevated results.
Aliases
Free Erythrocyte Protoporphyrin,Protoporphyrin, Zinc,ZPP