Schedule an Appointment Pay Bill View My Results

Test Directory

Test Directory Proinsulin

Proinsulin

Test Summary

Proinsulin is used to diagnose insulinomas and to monitor therapy in patients with insulinomas.

Aliases

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Instructions

N/A

Patient Preparation

Overnight fasting is required

Storage

Plastic screw-cap vial

Transport Temperature

Frozen

Specimen Stability

Serum
Room temperature: 24 hours
Refrigerated: 72 hours
Frozen: 90 days
Plasma
Room temperature: 5 days
Refrigerated: 5 days
Frozen: 28 days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Received room temperature

Order Code

PROINS

EPIC (Premier) Code

LAB693

Includes

N/A

CPT Code

84206

Billing Code

670439

CPT Statement

Methodology

Enzyme Linked Immunosorbent Assay (ELISA)

FDA Status

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675

Department

Reference Testing

Reference Range

≤18.8 pmol/L

Setup Schedule / Expected Turnaround Time

Tuesday, Saturday; Report available: 6 - 9 days