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Test ID CUT Copper, Liver Tissue

Useful For

Diagnosing Wilson disease and primary biliary cirrhosis using liver tissue specimens

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Liver Tissue


Specimen 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 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

Report Available

3 to 6 days

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Forms

If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Test Request (T728) with the specimen.

Secondary ID

8687