Insulin, Free, Serum
Test Mnemonic
FINS
CPT Codes
- 83527 - QTY (1)
LOINC ®
6901-3
Aliases
- Free Insulin
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Serum | SST (Gold) | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 8 hours |
| Refrigerated | 7 days |
| Frozen | 14 days |
Days Performed
Tue, Fri
Turnaround Time
3 - 5 days
Methodology
| Name | Description |
|---|---|
| Quantitative Chemiluminescent Immunoassay |
Reference Range
| Free Insulin | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 3.0 - 25.0 | mU/L |
Special Info
Free insulin is indicated if insulin antibody is present
Clinical Info
Management of diabetes mellitus when the patient has known insulin autoantibodies.