Anti-TIF-1gamma Ab (RDL)
Also known as: TIF-1, TIF1, TIF1 Gamma, TIF1 GAMMA P155/140, P155/140, TIF1-Gamma
Use
Anti-TIF-1gamma (P155) antibodies are present in 15-38% of adult DM and 20-30% in JDM. Highly associated with malignancy, which is found in 50-75% of positive adult patients; 89% specificity and 78% sensitivity for diagnosing cancer-associated DM; no cancer association in children.
Special Instructions
Separate serum from cells within one hour of collection and transfer to a plastic transport tube before shipping. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Limitations
This test was developed by LabCorp, and its performance characteristics have been determined by the laboratory. However, it has not been cleared or approved by the Food and Drug Administration (FDA). As such, it should be considered a laboratory-developed test, and any findings should be corroborated by additional clinical assessments or confirmatory tests as appropriate.
Methodology
Immunoassay (ELISA)
Biomarkers
LOINC Codes
- 96501-2
- 96501-2
Result Turnaround Time
7-10 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Container
Red-top tube or gel-barrier tube
Collection Instructions
Separate serum from cells within one hour of collection. Transfer to a plastic transport tube before shipping.
Storage Instructions
Refrigerate or freeze.
Causes for Rejection
Grossly hemolyzed; bacterial contamination; lipemic specimen; icteric specimen; non-serum specimen types
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 14 days |
| Frozen | 60 days |