Proinsulin : 760

Test Code

PINSUL or 760

Alias/See Also

Precursor to Insulin

CPT Codes
84206

Instructions

Overnight fasting is required.
Serum separator tube.

Transport Container

Centrifuge serum separator tube and aliquot the serum into a standard transport tube, 1 mL (Min: 0.5 mL).

Transport Temperature

Frozen.

Specimen Stability

After separation from cells: Ambient: 24 hours; Refrigerated: 72 hours; Frozen: 90 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received room temperature

Methodology
Enzyme Linked Immunoassay

Setup Schedule

Monday & Friday

Report Available

5-8 days (From receipt at performing laboratory)

Limitations

This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.

Reference Range

less than or equal to 18.8 pmol/L

Clinical Significance

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

Performing Laboratory
Quest Diagnostics

The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.