Treponema pallidum Antibody, IgG by IFA (CSF)
Test Mnemonic
FTACSF
CPT Codes
- 86780 - QTY (1)
Aliases
- Fluorescent Treponemal Ab, CSF
- Treponema Pallidum Total Abs, CSF
- FTA Antibodies, CSF
Includes
- Treponema pallidum antibody, IgG (CSF)
Performing Laboratory
ARUP
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Cerebrospinal fluid (CSF) | Clean container | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 48 hours |
| Refrigerated | 5 days |
| Frozen | 1 year |
Days Performed
Sun - Sat
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| Semi-Quantitative Indirect Fluorescent Antibody |
Reference Range
Special Info
Contaminated, heat-inactivated, or hemolyzed specimens will be rejected. This test is New York State approved.
Clinical Info
The significance of a reactive FTA-ABS CSF test is unknown. The CSF from persons treated in the secondary or latent stages of syphilis and without signs of neurosyphilis may be reactive. A nonreactive result in the FTA-ABS CSF test suggests the absence of neurosyphilis.