|Description||Thyroid peroxidase is the principal antigen against which antibodies are directed in autoimmune thyroid disease.|
|Indication||Determining risk of developing hypothyroidism. Confirm that hypothyroidism is due to autoimmune disease.
|Additional Info||TPO antibodies are useful in helping to predict those individuals who are at risk of developing hypothyroidism in the future. IF the TSH is raised ie 6-12 IU/L, then positive antibodies predict the development of hypothyroidismn at a rate of approximately 5% per year. TEST CAN ONLY BE ADDED TO SAMPLE WITHIN 72 HOURS OF COLLECTION|
|Interpretation||Levels >200 - women have 5% increase in risk, men have 18-19% increase in risk. Levels >100 confirms autoimmune thyroid disease|
|Tube||Serum or Heparin|
|Collection Conditions||Samples should be sent to Blood Sciences (Biochemistry). **PLEASE NOTE - NOT ANALYSED IN CLINICAL IMMUNOLOGY **. Both serum and lithium heparin samples acceptable|
|Min. Vol||5 mL|
|Ref. Range (Male)||<100|
|Ref. Range (Female)|| <100|
|Ref. Range (Paed)|| |
|Ref. Range Notes||
|IP Acute TAT||Refer to Website|
|IP Routine TAT||Refer to Website|
|GP Acute TAT||Refer to Website|
|GP Routine TAT||Refer to Website|
Originally edited by : JHB. Review due on 24/05/2017 07:49:30. Published By Sylvia bennett on 24/05/2016 07:49:30.