Anti-TPO Ab (RDL)
Also known as: Anti-Thyroid Microsomal Peroxidase Ab, Thyroid peroxidaseantibodies, TPO, TPO Ab
Use
In virtually all cases of Hashimoto’s disease and in the majority of Graves’ disease cases, Anti-TPO autoantibodies are elevated. High levels of Anti-TPO autoantibodies, in the context of the clinical presentation of hypothyroidism, confirms the diagnosis of Hashimoto’s disease.
Special Instructions
To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Limitations
Not provided.
Methodology
Immunoassay (CLIA)
Biomarkers
LOINC Codes
- 8099-4
- 8099-4
Result Turnaround Time
14-21 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL
Minimum Volume
0.3 mL (Note: This volume does not allow for repeat testing.)
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 |
Other tests from different labs that may be relevant