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23087 Thyroid Antibody (Anti-TPO)

Thyroid Antibody (Anti-TPO)
Test Code: TA-TPO
Synonyms/Keywords
Anti-TPO, Anti-thyroperoxidase, Microsomal antibody​
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
No​ Plasma/Serum​Lithium Heparin Plasma Separator Tube (PST)
​Lithium Heparin Green Top (GTT), EDTA Lavender Top Tube (LTT), Serum Separator Tube (SST), Red Top Tube (RTT)​1.0 mL​0.5 mL​0.3 mL​
Collection Processing Instructions

​GGT/RTT- physically separate plasma or serum from contact with cells as soon as possible or before transport. 

Specimen Stability Information
Specimen Type Temperature Time
Plasma/Serum​ Ambient​ 8 hours​
Refrigerated​ 2 days
Frozen​ > 2 days
Rejection Criteria

​Gross Hemolysis

Gross Icterus

Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Marshfield Monday through Friday​Less than 2 hours​  Immunoenzymatic assay/ Beckman Coulter Unicel DXI
Reference Range Information
Performing Location Reference Range
Marshfield​ < 9 IU/mL
Interpretation
​The thyroid microsomal antigen is thyroid peroxidase (TPO). This assay measures anti-TPO autoantibodies. All requests for Anti-Microsomal Antibody will be interpreted as an order for the Thyroid Antibody Screen (Anti-TPO).
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86376​ ​ ​ ​ ​
Synonyms/Keywords
Anti-TPO, Anti-thyroperoxidase, Microsomal antibody​
Ordering Applications
Ordering Application Description
​Centricity ​Thyr.Ab.Screen (Anti-TPO)
​Cerner Thyroid Antibody Screen (Anti-TPO)​
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
No​ Plasma/Serum​Lithium Heparin Plasma Separator Tube (PST)
​Lithium Heparin Green Top (GTT), EDTA Lavender Top Tube (LTT), Serum Separator Tube (SST), Red Top Tube (RTT)​1.0 mL​0.5 mL​0.3 mL​
Collection Processing

​GGT/RTT- physically separate plasma or serum from contact with cells as soon as possible or before transport. 

Specimen Stability Information
Specimen Type Temperature Time
Plasma/Serum​ Ambient​ 8 hours​
Refrigerated​ 2 days
Frozen​ > 2 days
Rejection Criteria

​Gross Hemolysis

Gross Icterus

Reference Range Information
Performing Location Reference Range
Marshfield​ < 9 IU/mL
Interpretation
​The thyroid microsomal antigen is thyroid peroxidase (TPO). This assay measures anti-TPO autoantibodies. All requests for Anti-Microsomal Antibody will be interpreted as an order for the Thyroid Antibody Screen (Anti-TPO).
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Marshfield Monday through Friday​Less than 2 hours​  Immunoenzymatic assay/ Beckman Coulter Unicel DXI
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86376​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.