Table 142.1T3 Resin Uptakes and T4 Concentrations Expected with Various Conditions

Hyperthyroidism
 High T4
 High T3 resin uptake
Hypothyroidism
 Low T4
 Low T3 resin uptake
High TBG
 High T4
 Low T3 resin uptake
Low TBG
 Low T4
 High T3 resin uptake

From: Chapter 142, Thyroid Function Tests

Cover of Clinical Methods
Clinical Methods: The History, Physical, and Laboratory Examinations. 3rd edition.
Walker HK, Hall WD, Hurst JW, editors.
Boston: Butterworths; 1990.
Copyright © 1990, Butterworth Publishers, a division of Reed Publishing.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.