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Red Blood Cell (RBC) Zinc Test
Measures zinc concentration within red blood cells for an accurate long-term assessment of zinc status, effectively supporting immune health, metabolism, and cognitive functions.

The Zinc in Erythrocytes, EDTA, by Atomic Absorption Spectrophotometer Flame Mode test is a laboratory procedure used to measure the levels of zinc within red blood cells. Zinc is an essential nutrient that plays a critical role in numerous biological functions, including supporting the immune system, wound healing, and protein synthesis. Atomic absorption spectrometry is used to analyze the sample, which is collected in a tube containing EDTA (an anticoagulant), ensuring that the sample is preserved. This test provides doctors with a more accurate assessment of the body’s zinc status, as zinc levels in red blood cells reflect long-term storage of the element. This test is an important tool for diagnosing zinc deficiency or toxicity, helping guide appropriate treatment and improving the patient’s overall health.
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