| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Insulin
Test CodeISULI
Alias/See Also
LAB8335
CPT Codes
<p>83525</p>
Preferred Specimen
Patient Preparation: Fasting specimen required.
Specimen Type: Serum
Collection Container/Type
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Patient Preparation
Fasting specimen required.
Minimum Volume
0.5 mL
Transport Container
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Plasma • Grossly icteric
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Mon-Sat; Report available: 1-2 days
Report Available
1-2 days
Reference Range
≤18.4 uIU/mL
Adult cardiovascular event risk category cut points (optimal, moderate, high) are based on Insulin Reference interval studies performed at Quest Diagnostics in 2022.
| Risk | uIU/mL |
| Optimal | ≤18.4 |
| Moderate | N/A |
| High | >18.4 |
Adult cardiovascular event risk category cut points (optimal, moderate, high) are based on Insulin Reference interval studies performed at Quest Diagnostics in 2022.
Clinical Significance
For diagnosis and monitoring of diabetes and insulin-secreting tumors.
Performing Laboratory
Quest Diagnostics Nichols Institute 14225 Newbrook Drive Chantilly, VA 20153
Last Updated: October 15, 2019