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HelpTest Code CUT Copper, Liver Tissue
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Liver TissueSpecimen Required
Supplies: Metal Free Specimen Vial (T173)
Container/Tube:
Preferred: Mayo metal-free specimen vial
Acceptable: Paraffin block, with no more than 1 or 2 cuts previously made
Specimen Volume: 2 mg
Collection Instructions: Two mg of liver tissue is required. This is typically a piece of tissue from a 22-gauge needle biopsy at least 2 cm long. If an 18-gauge needle is used, the tissue must be at least 1 cm in length.
Specimen Stability Information:
Fresh or formalin-fixed liver tissue specimens: Frozen (-30 to -10° C) at least 20 years
Paraffin-embedded (block) liver tissue specimens: Ambient (16 to 24° C) at least 12 1/2 years
Additional Information: Paraffin blocks will be returned 7 days after analysis is complete.
Specimen Minimum Volume
Needle biopsy: See Specimen Required; 2 mm x 2 mm (punch): 0.3 mg by dry weight
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Liver Tissue | Refrigerated (preferred) | |
| Ambient | ||
| Frozen | ||
Reference Values
<50 mcg/g dry weight
Day(s) Performed
Monday, Thursday
CPT Code Information
82525