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Iron, Liver Tissue

Message
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.


Test Code
LAB3 IRLVT


Alias/See Also
IRLVT


CPT Codes
83540

Includes
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Paraffin blocks will be returned 3 days after analysis is complete.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@


Instructions
Processing Instructions (Lab use only): 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. Minimum Testing Volume: 1 cm long from an 18-gauge needle2 mm x 2 mm (punch) 0.3 mg by dry weightTransport Temperature: Refrigerated


Report Available
6-Days


Clinical Significance
1230170010



Last Updated: May 18, 2026


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.