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Test ID: CUT    
Copper, Liver Tissue

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Specimen Type Describes the specimen type validated for testing

Liver Tissue

Advisory Information

This test is for liver tissue only. If tissue is other than liver tissue, see MSCM / Miscellaneous Metals Testing.

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Supplies: Metal Free Specimen Vial (T173)

Container/Tube:

Preferred: Mayo metal-free specimen vial (blue label) (T173)

Acceptable: Paraffin block if no more than 1 or 2 cuts have been made to it for slides

Specimen Volume: 2 mg

Collection Instructions:

1. 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.

2. Any specimen vial other than a Mayo metal-free vial used should be plastic, leached with 10% nitric acid for 2 days, rinsed with redistilled water, and dried in clean air.

Additional Information: Paraffin blocks will be returned 3 days after analysis.

Forms

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

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

2 cm (22-gauge needle)
1 cm (18-gauge needle)
2 mm x 2 mm (punch) 0.3 mg by dry weight

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

NA

 

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTime
Liver TissueRefrigerated (preferred)
 Ambient 
 Frozen