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Laboratory: Clinical Biochemistry  (SENDOUTS)
Test Name:
ZINC - (U)
Test Code: MISC
Clinical Information:
Test Indications: Identifying the cause of abnormal serum zinc.
High urine zinc associated with low serum zinc may be caused by hepatic cirrhosis, neoplastic disease, or increased catabolism.
High urine zinc with normal or elevated serum zinc indicates a large dietary source, usually in the form of high-dose vitamins.
Low urine zinc with low serum zinc may be caused by dietary deficiency or loss through exudation common in burn patients and those with gastrointestinal losses.

Test Approval Requirements: F260-11-02 Biochemistry Approval for Test Referral Form
Collection Devices:
Specimen Required:
Urine: 10.0 mL

Specimen Stability:
Ambient: 14 days
Refrigerated: 11 months
Frozen: 11 months
Urine: 10.0 mL

Shipping & Storage: Collect and transfer 10 mL in a metal-free specimen vial. State ’24 h urine’, ’collection date’ and ’total volume’ or indicate ’Random’. Store and send refrigerated to In-Common Laboratories.
Referred Out Location: In-Common Laboratories
Reference Values:
Within 2 Weeks
See Also:
More Information: