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.
Submit entire specimen.
Mayo Metal Free Plastic Vial
Any specimen container 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.
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Male: 200 - 2,400 µg/g dry weight
Female: 400 - 1,600 µg/g dry weight
Iron Index (≥ 13y): < 1.0 µmol/g/year