Specimen Requirements



Specimen Requirement

Draw blood in a Royal Blue Top EDTA or Royal Blue Top no additive tube. Centrifuge, pour off plasma from cells within 45 minutes and send 2.0 mL plasma in a metal free transport tube. Indicate specimen type on transport tube.



Inductively coupled plasma/mass spectrometry (ICP/MS)


Room temp: 14 days, Refrigerated: 14 days, Frozen: 14 days

Reference Range

By report*


4-6 days Performed Tues, Fri

Clinical Use

Monitor exposure to zinc; evaluate suspected nutritional inadequacy, especially in enteral or parental nutrition, critically ill or burn patients; cases of diabetes or delayed wound healing; growth retardation; follow therapy, for example when higher intravenous zinc doses are used to balance excessive ongoing GI losses in long-term total parenteral nutrition; follow oral zinc therapy in Wilson disease; confirm acrodermatitis enteropathica and follow therapy

Test Code