Specimen Requirements

Title

ZINC

Specimen Requirement

Draw blood in a dark blue EDTA tube. Spin, POUR off plasma from cells within 2 hours and send 2.0 mL plasma refrigerated in a screw-capped plastic vial. Do not pipette plasma. Indicate on transport vial “Dark Blue/EDTA/Plasma”

ALTERNATE SPECIMEN-SERUM: DARK BLUE NO ADDITIVE.

REJECTION CRITERIA: HEMOLYSIS, SERUM OR PLASMA NOT SEPARATED FROM CELLS WITHIN 2 HOURS.

Methodology

Stability

Room Temp: 24 hours; Refrigerated: 7 days; Frozen: 14 days

Reference Range

By report*

Turnaround

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

ZINC