Test Overview
Test Methodology

Electrochemiluminescence Immunoassay (ECLIA)

Test Usage

Assessing free insulin concentrations in patients with known or suspected anti-insulin antibodies.

Reference Range *

Free Insulin: 3-25 mclU/mL
Total insulin: 3-25 mclU/mL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday, Wednesday, Friday
Soft Order Code
INSFT
Synonyms
    Laboratory
    Sendout
    Reference Laboratory
    Mayo INSFT
    Section
    Special Testing
    Specimen Requirements
    Collection Instructions

    Fasting: 8 hours required; for 12 hours prior to collection, do not take any supplements containing vitamin B7.
    Collect specimen in an SST or red top tube. Spin and aliquot within 2 hours of collection. Send to Specimen Processing refrigerated

    Normal Volume

    2.5 mL serum

    Minimum Volume

    0.75 mL serum

    Storage Temperature
    Refrigerated preferred, frozen acceptable
    Additional Information

    Test performed by Mayo Clinic Laboratories

    Billing
    CPT Code
    83527, 83525
    NY State Approved
    No