Lead Standard Profile, Blood
Also known as: Lead and Protoporphyrin (ZPP)
Use
Monitor exposure to lead
Special Instructions
Mix the blood tube thoroughly to avoid clotting. Hemolysis does not affect the test; however, recollection is necessary if clots are present. Ensure the sample is collected in the proper container and stored appropriately until testing. This test includes both lead and zinc protoporphyrin (ZPP) analyses.
Limitations
This test may not be cleared or approved by the Food and Drug Administration, and only has its performance characteristics determined by Labcorp. Results may require additional confirmatory or reflex testing in some cases. The stability of the specimen can be affected if not properly stored; specimens need to remain at room temperature or refrigerated as specified in the storage instructions.
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 77307-7
- 77307-7
- 2895-1
Result Turnaround Time
2-5 days
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
7 mL
Minimum Volume
0.5 mL
Container
Royal blue-top (EDTA) tube or tan-top lead-free tube
Collection Instructions
Mix tube thoroughly to avoid clotting. Recollect if clots are present.
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
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 5 days |
| Refrigerated | 7 days |