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HelpTest Code TPO Ab ANTI-THYROID PEROXIDASE
Aliasis
Thyroid Peroxidase Antibody
Patient Preparation
No special patient preparation required
Collection Method
Venous collection
Minimum Volume
1.0 mL
Container
Lt Green/ Plasma Separator/ Lithium Heparin
Preferred Specimen
Light Green Top (lithium heparin) plasma
Acceptable Specimen(s)
Serum:
-Red Top
-Gold Top SST
Plasma:
-Light Green Top (lithium heparin)
-Lavender Top (EDTA plasma)
Reference or Target Ranges
A value of 60 U/mL was established as a cut-off value to differentiate between anti-TPO positive and anti-TPO negative.
Reportable Units
U/mL
Critical Value
Not defined for this assay
Reasons for Rejection
|
Hemolysis Threshold: |
500 mg/dL |
|
Icterus Threshold: |
40 mg/dL |
|
Lipemia Threshold: |
1000 mg/dL |
|
Protein Threshold: |
12 g/dL |
|
Other: |
QNS, contaminated, improperly labeled, improper specimen type |
Specimen Stability
|
Ambient |
8 Hours |
|
Refrigerated (4oC to 8oC) |
48 Hours |
|
Frozen |
N/A |
Performance Information
|
Days and Time Performed |
24/7 |
|
Expected Turn Around Time |
STAT: 1 hour, Routine: 4 hours |
|
Stat Availability |
Yes |
|
Performing Bench |
CRMC Chemistry |
|
Methodology/Method Description |
Atellica |
Methodology/Method Description
Atellica CH Analyzer
CPT Codes
86376