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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 CodeINSUL (Quest 561X)
Preferred Specimen
1 mL serum
Patient Preparation
Fasting specimen required.
Minimum Volume
0.5 mL
Transport Container
SST or No additive (red-top)
Transport Temperature
Room Temperature: 48 hours, Refrigerated: 8 days, Frozen: 90 days
Specimen Stability
Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 28 days
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
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 |