Proinsulin, Serum

Useful For: Proinsulin is used to detect and monitor excessive hormone production from insulinomas.

Methodology: Enzyme Linked Immunosorbent Assay (ELISA)

Specimen Requirements: 1 plain, red-top (no additive) tube (minimum: 0.5 mL of serum) drawn following an overnight (8-10 hour) fast. Centrifuge red-top 30 minutes after draw. Send specimen frozen in plastic vial.

NOTE:

  • Lavender- top (EDTA plasma) is also acceptable.
  • Specimens collected in SST tubes should be removed from the gel after centrifugation.

Analytical Time: 7-14 days

Days Set Up: Monday

CPT Information:
84206 –

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