Connect Sign In
Insulin, Fasting
Ordering Recommendation
Aids in the detection of insulinoma. Do not use to diagnose diabetes mellitus.
New York DOH Approval Status
Specimen Required
Serum separator tube.
Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min 0.4 mL)
Frozen.
Heparinized plasma. Vitreous or I.V. fluids. Specimens collected in gray (sodium fluoride/potassium oxalate). Hemolyzed specimens.
After separation from cells: Ambient: 8 hours; Refrigerated: 1 week; Frozen: 1 month
Methodology
Quantitative Chemiluminescent Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours
Reference Interval
Effective August 16, 2021
3-25 µIU/mL
Interpretive Data
This test reacts on a nearly equimolar basis with the analogs insulin aspart, insulin glargine, and insulin lispro. Insulin detemir exhibits approximately 50 percent cross-reactivity. Test reactivity with insulin glulisine is negligible (< 3 percent). To convert to pmol/L, multiply µIU/mL by 6.0.
FDA
Note
Hotline History
CPT Codes
83525
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0070063 | Insulin, Fasting | 27873-9 |
