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HelpCopper, Liver Tissue
Additional Codes
LAB3175, Specimen to Pathology
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.
Additional Information: Paraffin blocks will be returned 7 days after analysis is complete.
Deliver to Lab Specimen Receiving (LSR), Borwell level 4.
Specimen Minimum Volume
Needle biopsy: See Specimen Required; 2 mm x 2 mm (punch): 0.3 mg by dry weight
Formalin fixed tissue will be processed for Histologic examination. Paraffin block wil be used for Iron or Copper testing. Tissue may be collected only for this testing in a Mayo metal free container availble from DH Lab Client Response x 5-2200.
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Liver Tissue | Refrigerated (preferred) | ||
| Ambient | |||
| Frozen | |||
Stable if in fixative
Reference Values
<50 mcg/g dry weight
Day(s) Performed
Monday, Thursday
Specimens processed at DHMC for shipment to Mayo Monday through Friday; 8 a.m. - 5 p.m.
CPT Code Information
82525
88307; 83540; 82525
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CUT | Copper, Liver Ts | 8198-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 8687 | Copper, Liver Ts | 8198-4 |
Report Available
3 to 6 daysSpecimen Retention Time
60 daysForms
If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Test Request (T728) with the specimen.