The systematic clinical process of accurately measuring and documenting an individual’s core hormonal concentrations, receptor sensitivities, and metabolic markers to define their unique, optimal physiological steady state. This established baseline serves as the objective reference point for diagnosing subtle endocrine insufficiencies, guiding personalized hormone optimization therapy, and monitoring treatment efficacy over time. It is essential for precision endocrinology.
Origin
This term formalizes the necessary first step in any rational endocrine intervention, evolving from general laboratory reference ranges to individualized, symptom-correlated hormonal profiling. The concept gained traction with the recognition that population-based “normal” ranges often mask significant, clinically relevant individual hormonal deficiencies or imbalances. It is a fundamental practice in preventative and restorative hormonal health.
Mechanism
Establishment involves utilizing advanced laboratory techniques, such as liquid chromatography-tandem mass spectrometry (LC-MS/MS) for accurate free hormone measurement, alongside dynamic testing to assess pituitary and adrenal reserve. This process mechanistically provides a snapshot of the hypothalamic-pituitary-gonadal (HPG) and HPA axes function. By correlating these precise values with clinical symptoms, the clinician can define the patient’s functional set point before any therapeutic modulation.
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