
Lab test interpretation
Analyzer Calibration Failure in TSH Testing
Analysis of a laboratory error: systematic analyzer calibration failure led to falsely low TSH results and hyperdiagnosis of thyrotoxicosis.
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Analysis of a laboratory error: systematic analyzer calibration failure led to falsely low TSH results and hyperdiagnosis of thyrotoxicosis.

An algorithm for laboratory diagnosis of hyperthyroidism: evaluating TSH, free T4, T3, and anti-thyroid peroxidase antibodies for differential diagnosis.