Skip to main content

Table 1 Results of Serum TSH level with different devices and methods in three laboratories

From: Falsely undetectable TSH in a euthyroid patient

Laboratory

Method

Analyzer device

TSH Result

Al-Mahdi Lab

Chemiluminesance assay

Siemens Immulite 2000XPi

< 0.004 IU/ml

2nd laboratory (Khani abad Lab)

ELISA

Automatic ELISA Human Duo

3.24 IU/ml

3rd laboratory (Danesh Lab)

Electro Immunoassay

Abbott Architect

2.98 IU/ml