Sample type: Serum

Test name: Thyroid Peroxidase Antibody a.k.a. TPO

Condition / Indication: Subclinical hypothyroidism

Special precautions & notes: Anti TPO seen in Hashimoto's 95%; Grave's 70% (usually low); Atrophic Hypothyroidism 95%; Addison's 40%; Pernicious anaemia 30%; Normal persons 10%

Reference range: <22 IU/mL

Container: Serum (Gold top)

Ideal volume (mL): 2 mL

Referred outside NBT for analysis? No

Discipline: Clinical Biochemistry

Turnaround time: 7 days