Insulin, Serum

Additional Information:

EPIC Test Name: INSULIN, TOTAL

CPT Code(s):

83525

Collection Procedure:

Collect specimen in SST tube. Allow to clot. Centrifuge and store refrigerated. Transport to lab.

Specimen Requirements:

Specimen Type: Serum (preferred) or Plasma
Container/Tube: SST or Lithium Heparin (Green top)
Sample Volume: 1 mL
Minimum Volume: 0.2 mL (Repeat testing is not possible with this specimen volume.)
Storage: Refrigerate
Stability (collection to time of analysis/testing):

  • Refrigerated: 7 days
  • Frozen: 3 months

Use:

This test is used to detect insulinoma. Do not use to diagnose diabetes mellitus.

Methodology:

Solid-phase, enzyme-labeled chemiluminescent immunometric assay

Reported:

1-3 Business Days

Reference Values:

Fasting: <29.10 mcIU/mL

Performed:

Monday - Friday