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Interpretation Provides information to assist in interpretation of the test results. Normal serum zinc is 0.66 to 1.10 mcg/mL. Burn patients with acrodermatitis may have zinc as low as 0.4 mcg/mL; these patients respond quickly to zinc supplementation.
How much zinc does a child need? According to the National Institutes for Health, infants 7 months â 3 years should get 3 mg daily; children 4 â 8 years, 5 mg; 9 â 13 years, 8 mg; males 14 years and older 11 mg; females 14 -18, 9 mg; pregnant females 14 -18, 13 mg; and pregnant females 19 and older, 11 mg.