Islet Cell Antibody
Test Mnemonic
ISLET
CPT Codes
- 86341 - QTY (1)
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated | Separate serum from cells within two hours of collection. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | No additive (Red) | Refrigerated | Separate serum from cells within two hours of collection. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 2 days |
| Refrigerated | After separation from cells: 2 weeks |
| Frozen | After separation from cells: 1 year (avoid repeated freeze/thaw cycles) |
Days Performed
Mon, Wed, Fri
Turnaround Time
2 - 4 days
Methodology
| Name | Description |
|---|---|
| Indirect Fluorescent Antibody (IFA) |
Reference Range
| Islet Cell Antibody | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| < 1:4 No antibody detected |
Special Info
Separate serum from cells within two hours of collection.
Clinical Info
Islet cell antibodies are associated with type 1 diabetes, an autoimmune disorder. These antibodies may be present years before the onset of clinical symptoms. To calculate JDF Units: multiply the titer x 5 (1:8 8x5 = 40 JDF Units).