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. 2013 Nov;22(11):991–996. doi: 10.1089/jwh.2013.4393

Table 1.

Kronus Reference Ranges in Adult Serum

Thyroid Antibody Reading
TPOAb
 Normal: < 1 U/mL
 Intermediate: 1 – 2 U/mL
 Positive: > 2 U mL
 Sensitivity: 0.68 U/mL
TGAb
 Normal: < 2 U/mL
 Intermediate: 2 - 3 U/mL
 Positive: > 3 U/mL
 Sensitivity: 1.4

Source: Hofman, 2004.