Inpatient and Outpatient Orderable

Zinc Level

Synonyms

LAB581
ZINC
ZN

Cerner Name

Clinical Info

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

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Container

Dark Blue Top Tube

Collection Instructions

Container/Tube: Royal blue-top (EDTA) tube or royal blue-top tube without EDTA
Specimen: 1 mL plasma(preferred) or serum ( 0.4 mL min)
Collection: Separate serum from cells within 45 minutes of collection, and transfer to a certified metal-free transport tube

Note: Separate serum from cells within 45 minutes of collection and transfer to a plastic transport tube. Plasma may be separated immediately and transferred to a plastic transport tube.

Specimen Volume

1 mL plasma(preferred) or serum ( 0.4 mL min)

Transport Instructions

Refrigerated

Specimen Stability

28 Days Room Temperature, Refrigerated or Frozen

Methodology

Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)

Days Performed

TAT 3 - 5 Days

Performing Laboratory

LabCorp of America

CPT

84630

LONIC code: 5763-8

PDM

5902800

Only Orderable at Locations:

Orderable Everywhere

Results

Component Name	Base Name	Common Name	External Name
ZINC LEVEL, PLASMA	ZINC	ZINC	Zinc

Result Interpretation

Age	Male	Female
0 to 2 m	50–123	50–123
3 to 4 m	44–133	51–124
5 to 10 m	49–134	49–134
≥11 m	44–115	44–115

Chronic oral zinc supplementation interferes with copper absorption and may precipitate copper deficiency. Albumin is the primary zinc binding protein: zinc levels should be interpreted with awareness of serum albumin level.

Forms

LAB581

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