Anti-Alpha Fodrin Ab, IgA
Test Mnemonic
FODIGA
CPT Codes
- 83516 - QTY (1)
Performing Laboratory
LabCorp
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Serum | SST (Gold) | Frozen | Separate serum from cells within 1 hour of collection, transfer into a standard plastic aliquot tube and freeze. Separate specimens should be submitted when multiple tests are ordered. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Serum | No additive (Red) | Frozen | Separate serum from cells within 1 hour of collection, transfer into a standard plastic aliquot tube and freeze. Separate specimens should be submitted when multiple tests are ordered. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Note: This volume does not allow for repeat testing. |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | 14 days |
| Frozen | 60 days; Stable x 1 freeze/thaw cycle |
| Ambient | 7 days |
Days Performed
Mon - Fri
Turnaround Time
13 - 15 days
Methodology
| Name | Description |
|---|---|
| Enzyme-Linked Immunosorbent Assay (ELISA) |
Reference Range
| Anti-Alpha Fodrin Ab, IgA | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | < 10 | Units |
Special Info
Grossly hemolyzed specimens will be rejected. Lipemic specimens and icteric specimens are unacceptable. Other causes for rejection include bacterial contamination and non-serum specimen types.
Clinical Info
According to the latest findings, the routine screening for antibodies directed against alpha-fodrin can be a useful tool in diagnosing early stage Sjogren’s syndrome.