Zinc Protoporphyrins
Test Mnemonic
ZPP
CPT Codes
- 84202 - QTY (1)
LOINC ®
29763-0
Aliases
- ZPP
- Erythrocyte Protoporphyrin
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Whole blood | EDTA (Navy Blue) | Refrigerated |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Whole blood | EDTA (Lavender) | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 30 hours |
| Refrigerated | 5 weeks |
| Frozen | Unacceptable |
Days Performed
Mon - Fri
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| Quantitative hematofluorometry |
Reference Range
| Zinc Protoporphyrins | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| 0 - 69 umoL ZPP/moL heme |
Clinical Info
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.