A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Copper, 24-Hour Urine : 365
Test CodeCOPRHR or 365
CPT Codes
82525
Instructions
Collect without preservative and transport in an acid-washed or metal-free plastic 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?)
Hemolysis; Random urine; Fecal contamination
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Setup Schedule
Monday - Saturday
Report Available
1-4 days
Reference Range
15-60 mcg/24 h
Clinical Significance
Copper is an essential element that is a cofactor of many enzymes. Copper metabolism is disturbed in Wilson's disease, Menkes disease, primary biliary cirrhosis, and Indian childhood cirrhosis. Urinary copper concentrations are also useful to monitor patients on chelation therapy.
Performing Laboratory
med fusion