TISSUE BLOCK

Test Code
IRON-LIVER BL (3536)

Quest Code
3536

CPT Codes
83540

Preferred Specimen
5 mg liver biopsy tissue in a trace metal-free (royal blue-top) tube

Minimum Volume
2 mg

Other Acceptable Specimens
Fixed tissue in paraffin-embedded tissue block

Instructions
Please note that all tissue is consumed and will not be returned to the client

Specimen Stability
Room temperature: 28 days
Refrigerated: 28 days
Frozen: 60 days

Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Wed

Report Available
3 to 9 Day(s)

Reference Range
See Laboratory Report

Clinical Significance
Iron index results between 1.0-1.9 suggest mild iron accumulation (alcoholic liver disease or heterozygous hemochromatosis). Results greater than 1.9 indicate hemochromatosis (transfusion-related iron overload or homozygous hemochromatosis).

Performing Laboratory
Quest Diagnostics Nichols Institute
27027 Tourney Road
Valencia, CA 91355-5386



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.