Zinc Protoporphyrin (ZPP) Blood Test
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Test Code: 010170
Specimen Type: Blood
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Description:
Zinc Protoporphyrin (ZPP) Blood Test
This test measures the level of Zinc Protoporphyrin (ZPP) in the blood. Normally, protoporphyrin combines with iron atoms to form heme. Heme is an essential part of hemoglobin, the substance that helps to transport oxygen to the body's cells and tissues. When protoporphyrin is not able to combine with iron, it will bond with zinc instead creating zinc protoporphyrin. ZPP is normally present in very small amounts in the red blood cells. When ZPP levels are elevated it typically indicates either an iron deficiency or lead poisoning. Chronic lead exposure inhibits the production of heme which causes the level of zinc protoporphyrin to increase.
Zinc protoporphyrin testing is typically ordered when a person is suspected of suffering from lead exposure. While iron deficiency can also result in elevated ZPP, other tests such as Iron & Total Iron Binding Capacity and Ferritin are more useful for determining low iron levels. ZPP testing is often ordered along with a lead blood test. Request A Test also offers a Lead Profile which includes testing for lead and ZPP levels.
Turnaround for this test is typically 2-5 business days.
Where can I find a Zinc Protoporphyrin (ZPP) Blood Test near me?
Check our lab finder to locate a collection site in your area.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
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