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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:

Preferred Device:	1 - Urine Collection Container - 24 h Urine Collection Container - 24 h Manufacturer: VWR Scientific Products/Simport Plastics Catalogue #: CA73960-110
Alternate Device:	1 - Urine Collection 12 mL Tube Urine Collection 12 mL Tube Manufacturer: Sarstedt Canada Inc. (vendor) Catalogue #: - Random

Specimen Required:

Urine: 10.0 mL

Specimen Stability:
Ambient: 14 days
Refrigerated: 11 months
Frozen: 11 months

Referral:

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

Requisition:

_SH Urine Testing Requisition (R250-10-95)

Reference Values:

Method of Analysis: ICP-MS

24 h Urine , In-Common Laboratories Reference Values
Random Urine , In-Common Laboratories Reference Values

Availability:

Within 2 Weeks