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Non-Standard Reference Ranges

Meaning

Non-Standard Reference Ranges are laboratory result intervals that deviate from the broad, statistically-derived population-based ranges typically provided by commercial laboratories, instead utilizing tighter, more functionally-relevant intervals informed by optimal physiological performance and individual clinical context. These ranges are often employed in proactive health and functional medicine to identify suboptimal hormonal or metabolic status that falls within the “normal” but is associated with symptoms or increased risk. They represent a higher bar for biological excellence.