IRON LIVER TISSUE

General Information

HLAB/HOL Code: IRNLT
UPHSM LIS Test #: 6974
Schedule: Monday - Friday
Testing Time: 2 days
Testing Lab: Mayo Labs

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 2 mg Liver tissue
Temperature: Refrigerate
Tube Type: 1 Metal free Mayo specimen vial
Collection Info:
1. A minimum of 2 mg of liver tissue is required for analysis.  This is typically a piece of tissue from a 14 gauge needle biopsy at least 0.5 cm
     long. If an 18 gauge needle is used, the tissue must be at least 1 cm in length. The 18 gauge needle produces a specimen that is thin and
     fragile and difficult to remove from paraffin.
2. Send in Mayo metal free specimen vial (blue label) supplied by Mayo Medical Laboratories.
3. 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.
4. Send specimen refrigerated (keep specimen cool with frozen coolant April thru October, refrigerated coolant November thru March).
5. Paraffin block is also acceptable.
NOTE:
1. Include suspected diagnosis and clinical information.
2. AGE IS REQUIRED ON REQUEST FORM TO CALCULATE IRON INDEX.

Methods

Dynamic Reaction Cell-Inductively Coupled Plasma-Mass Spectrometry (DRC-ICP-MS)

CPT Codes

83540

* The CPT codes provided 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 payer being billed.

Reference Range

Iron
Males: 200-2400 mcg/g dry weight
Females: 400-1600 mcg/g dry weight

Iron Index
<1.0 mcmol/g/year (> or = 13 Y)