Hormone Stability Study
Systematic evaluation of hormone analyte stability under various storage and transport conditions to ensure accurate test results.
Full Definition
A hormone stability study is a comprehensive investigation that evaluates how different storage conditions, time intervals, temperature variations, and processing delays affect the integrity and measurable concentration of hormones in biological specimens. These studies typically assess stability at room temperature, refrigerated conditions, and frozen storage, as well as the effects of freeze-thaw cycles on hormone measurements. Different hormones exhibit varying stability profiles: some like cortisol are relatively stable, while others like insulin or certain catecholamines may degrade rapidly under suboptimal conditions. Stability data is crucial for establishing specimen handling protocols, determining acceptable transport times, setting storage requirements, and defining specimen rejection criteria. Results from these studies directly impact laboratory procedures and help ensure that reported hormone concentrations accurately reflect the patient's physiological state at the time of collection.
In Context
- "The hormone stability study demonstrated that cortisol samples remain stable for 72 hours at room temperature." — Laboratory procedure manual
- "Update specimen handling protocols based on the comprehensive hormone stability study results." — Quality assurance document