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HelpTest Code LAB858 Thyroid Peroxidase Antibody
Clinical System Name
Thyroid Peroxidase Antibody
Synonyms
TPO Ab
Sample Requirements
Specimen: Whole blood
Container(s): Gold SST, Red, Gold Microtainer, Green/Sodium Heparatin, Lavender/EDTA, Lt. Green/Mint Top Lithium Heparin, Lt. Green/Lithium Heparin Microtainer
Preferred Vol: 1.0 mL
Minimum Vol: 1.0 mL
Note: Serum or plasma should be removed from separator for storage. Specimen may be stored in same tube as Thyroglublin Antibody (1.5 mL whole blood for both tests).
Processing Instructions
Reject due to:
Spin: Y
Aliquot: Y
Temp:2-8 C
Storage location: CPA fridge, FrigD rack
Off-site collection: Spin blood. Transfer 0.5 mL serum or plasma to aliquot container. Send refrigerated.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| gel separator with serum | 2-8 C | 8 h |
| separated serum | RT | 8 h |
| 2-8 C | 7 d | |
| -20 C | 30 d |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M, W, F | 2 - 4 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chemistry
Phone Number: (206) 987-2617
CPT Codes
86376
Methodology
Method: Chemiluminescent immunoassay by Alinity i
Analytical Volume: 0.30 mL serum
Limitations: Turbidity may affect results
Reference Range
< 5.6 IU/mL
Effective 07/18/23 Abbott (Alinity) platform replaced Siemens (Immulite) for this testing. Please note, methods cannot be used interchangeably. Reference Ranges have been updated to the new Abbott platform.