Test ID: ZG074
Component(s): Z0210 Zinc, Plasma or Serum LOINC: 5763-8
CPT code: 84630
LOINC:
Specimen Type: Royal blue-top (EDTA) tube OR royal blue-top without EDTA
Frequency: 2 – 4 days within one working day.
Instructions: 1mL Plasma(preferred) or serum from Royal blue-top (EDTA)tube OR royal blue-top without EDTA, Ambient, Separate within 45 minutes. Min 0.4 mL.
Text: Monitor exposure to zinc; evaluate suspected nutritional inadequacy, esp. in enteral or parental nutrition, critically ill or burn patients; cases of diabetes or delayed wound healing or growth retardation. Levels may be low in fever, sepsis, estrogen therapy, stress, or MI. Levels may be high in familial hyperzincemia without toxicity or high zinc stores.
Methodology: Inductively coupled plasma/mass spectrometry (ICP/MS)