Journal of Thyroid Research / 2010 / Article / Tab 1

Research Article

Increasing Incidence, but Lack of Seasonality, of Elevated TSH Levels, on Newborn Screening, in the North of England

Table 1

TSH newborn screening base, assay methodology, and cut-off values during the study period.

1994–March 1998April 1998–February 2003March 2003–March 2005April 2005–present

CentreNewcastleDurhamDurhamNewcastle
MethodRadioimmunoassayACS-180DELFIADELFIA
(Manual) (Bayer)(Perkin Elmer)(Perkin Elmer)
TSH cut-off (mU/L)201066

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