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Zinc, 24-Hour Urine : 946
Test CodeZINCHR or 946
CPT Codes
84630
Instructions
Collect without preservative and transport in a plastic, acid-washed or metal-free container. Record total volume on specimen container and on test requisition. To avoid contamination, do not measure 24-hour volume.
Transport Container
Preferred Specimen
7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container
Minimum Volume
3 mL
7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container
Minimum Volume
3 mL
Transport Temperature
Room temperature.
Specimen Stability
Room temperature: 5 days; Refrigerated: 14 days; Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Room temperature: 5 days; Refrigerated: 14 days; Frozen: 30 days
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Setup Schedule
Monday - Saturday
Report Available
2-4 days
Reference Range
100-1200 mcg/24 h
Clinical Significance
Zinc is an essential element involved in a myriad of enzyme systems including wound healing, immune function, and fetal development. Zinc measurements are used to detect and monitor industrial, dietary, and accidental exposure to zinc. Also, zinc measurements may be used to evaluate health and monitor response to treatment.
Performing Laboratory
med fusion
