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Laboratory Test Directory
Zinc Protoporphyrin (ZPP), Whole Blood
Components
| Name | Method | Department | Units |
|---|---|---|---|
| Zinc Protoporphyrin (ZPP), Whole Blood |
Quantitative Hematofluorometry |
Send Out | µmol ZPP/ mol Hem |
Specimen Requirements
Whole blood
| Container Type | Container Size | Specimen Volume |
|---|---|---|
PreferredRoyal blue (EDTA) |
6 mL | 1 mL |
AlternatePurple tube (EDTA) |
3 mL | 1 mL |
Stability
Room temperature - 30 hour(s)
Refrigerated - 5 week(s)
Specimen Preparation
- Mix by gentle inversion immediately after collection
- Do not centrifuge
- Do not freeze
- Transport to laboratory as soon as possible
Reasons for Rejection
- Wrong collection tube
- Clotted specimen
- Centrifuged specimen
- Frozen specimen
- Hemolyzed specimen
Comments
Elevated ZPP results are seen in early and late iron deficiency, the anemia of chronic disease, chronic lead poisoning, and erythropoietic protoporphyria. Elevated bilirubin or riboflavin and hemolyzed, clotted, or improperly aliquoted specimens may falsely increase the ZPP concentration.
CPT Code
- 84202