Insulin, Serum
Order Name
INSULIN
Test Number: 2023075
Revision Date 05/28/2021
Test Number: 2023075
Revision Date 05/28/2021
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Insulin, Serum
|
Chemiluminescence Assay | 20448-7 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 2mL (0.5mL) | Serum | Clot Activator SST | Frozen |
| Instructions | Overnight fasting is required. Allow to clot then centrifuge aliquot 2mL(0.5mL) Serum into plastic aliquot tube and freeze ASAP. Stability: Ambient 8 hours, Refrigerated 2 days, Frozen 7 days. Insulin assay not recommended for patients with insulin autoantibody. Use Free Insulin assay if autoantibody positive. |
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| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Mon - Fri |
| Expected TAT | 1-3 days |
| Clinical Use | Useful for the determination of insulin levels. Along with proinsulin and C-peptide measurements it may be useful in the diagnosis of insulinoma. May also be used in the management of diabetes mellitus. |
| CPT Code(s) | 83525 |
| Lab Section | Chemistry |