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HelpTest Code TPO Thyroid Peroxidase Antibodies (TPO)
Performing Laboratory
| Memorial Hospital Laboratory- Automated Procedures | 304-388-5953 |
Specimen Requirements
Plasma- Mint Green, Dark Green Lithium Heparin or Serum- SST gold top, red top
Allow SST or red top to completely clot
Spin and physically separate plasma/serum from contact with cells as soon as possible
4 mL of plasma/serum (minimum 2 mL)
Specimen Rejection
- Improperly labeled, collected, stored, and transported
- Quantity not sufficient
Storage and Stability
| Room temperature 15-30oC | 8 hrs |
| Refrigerated 2-8oC | 48 hrs |
| Frozen <-20oC | Not specified |
Reference Values
0.0-9.0 U/mL
Methodology
Chemiluminescent sequential two-step immunoenzymatic sandwich assay
Days Test Set Up and Turnaround
Monday thru Sunday, Continuously
| AM Collection | Expected by 9AM same day |
| Routine | Expected within 24 hrs |
| Stat | Expected within 1 hr |
| Timed | Expected results are test dependant |
CPT Coding
86376