Sign in →

Test Code CUT Copper, Liver Tissue

Reporting Name

Copper, Liver Ts

Useful For

Diagnosing Wilson disease and primary biliary cirrhosis using liver tissue specimens

Method Name

Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

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.

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 Special Container
Liver Tissue Refrigerated (preferred)
  Ambient 
  Frozen 

Reject Due To

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

Reference Values

<50 mcg/g dry weight

Day(s) Performed

Monday, Thursday

CPT Code Information

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

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

Report Available

3 to 6 days

Forms

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