Concepedia

Does time of sampling or food intake alter thyroid function test?

Shriraam Mahadevan, Dhalapathy Sadacharan, Subramanian Kannan, Anita Suryanarayanan

Indian Journal of Endocrinology and Metabolism · 2017 · 22 citations · 10 references

Open access

Abstract

We conclude stating that the timing of the test affects TSH values and this should be factored in making decisions in diagnosis of subclinical hypothyroidism.

References

10

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Hypothalamus, Physiology, Neuroendocrine Mechanism +7

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Subclinical Thyroid Disease

Nananda F. Col, Martin I. Surks, Gilbert H. Daniels · JAMA · 2004 · 193 citations

Reference Range, Iodine Deficiency Disorders, Subclinical Thyroid Disease +12

Circadian and Circannual Rhythms in Thyroid Hormones: Determining the TSH and Free T4 Reference Intervals Based Upon Time of Day, Age, and Sex

Joel Ehrenkranz, Phillip R. Bach, Gregory L. Snow et al. · Thyroid · 2015 · 190 citations