PROTOPORPHYRIN ZINC
General Information
HLAB/HOL Code: ZNPRO
UPHSM LIS Test #: 679
Schedule:
Testing Time: 2 - 4 Days
Testing Lab: Labcorp
UPHSM LIS Test #: 679
Schedule:
Testing Time: 2 - 4 Days
Testing Lab: Labcorp
Specimen Info
Only 1 specimen type required, unless otherwise specified
Volume: 7.0 mL whole blood (0.2 mL minimum)
Temperature: Room Temperature
Tube Type: 1 Dark Blue EDTA
Collection Info:
Container: Royal blue-top (EDTA) tube or tan-top lead-free tube; submit original tube.
Collection: Mix tube thoroughly to avoid clotting.
Storage Instructions: Room temperature. Stable for five days at room temperature or for seven days when refrigerated.
Causes for Rejection: Clotted specimen; frozen specimen; hemolyzed specimen; icteric specimen
Temperature: Room Temperature
Tube Type: 1 Dark Blue EDTA
Collection Info:
Container: Royal blue-top (EDTA) tube or tan-top lead-free tube; submit original tube.
Collection: Mix tube thoroughly to avoid clotting.
Storage Instructions: Room temperature. Stable for five days at room temperature or for seven days when refrigerated.
Causes for Rejection: Clotted specimen; frozen specimen; hemolyzed specimen; icteric specimen
Methods
Fluorometry
Clinical Utilities
Limitations: Fluorescent substances in plasma may interfere with hematofluorometer results. Skin contamination may lead to false elevations. Both this test and blood lead are needed for full evaluation.
CPT Codes
84202
* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
Reference Range
Environmental exposure:
ZPP, blood: Adults: 0−36 μg/dL;
occupational exposure: BEI® (sampling time is after one month's exposure): <100 μg/dL1
ZPP, blood: Adults: 0−36 μg/dL;
occupational exposure: BEI® (sampling time is after one month's exposure): <100 μg/dL1
