Test Name
THYROID PEROXIDASE (MICROSOMAL) ANTIBODIES
Aliases
TPO ANTIBODY, ANTIMICROSOMAL ANTIBODY
Abbreviations
ANTI-TPO, TPO Ab
Test Classification
INDIVIDUAL
Department
SEROLOGY
Sub Department
AUTOIMMUNITY
TAT Category
ELAPSED (CONTINUOUS) TIME
Estimated TAT
7
TAT Units
DAYS
Test Requirements
2ML Serum separator tube (SST) or plain tube. Avoid hemolysis
Do not use lipemic or grossly icteric samples
Ensure proper labeling
Stable at refrigerated temperatures for short-term transport, freeze for extended storage
Clinical Utility
Evaluation of autoimmune thyroid disease e.g. Hashimoto's thyroiditis, Grave's disease.
Last Review
26th Feb 2026