ZINC, SERUM/PLASMA
Test:
145
CPT:
84630
Synonyms
Special Instructions
Expected Turnaround Time
2 – 4 days
Specimen Requirements
Specimen
2 – 4 days
Volume
2 mL
Minimum Volume
0.6 mL
Container
Royal blue-top (EDTA) tube or royal blue-top tube without EDTA
Collection
Separate serum from cells within 45 minutes of collection, and transfer to a certified metal-free transport tube (PeopleSoft N° 111166) for shipment to the laboratory. Plasma may be separated immediately and transferred to a certified metal-free plastic transport tube (PeopleSoft N° 111166) for shipment to the laboratory.
Storage Instructions
Maintain specimen at room temperature.
Causes for Rejection
Certified metal-free plastic transport tube not submitted; unspun royal blue-top tube from which the plasma or serum has not been removed; gel-barrier tube
Test Details
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’s disease; confirm acrodermatitis enteropathica and follow therapy