Accumulation Ratio AUC Infinity Observed

**Semantic type:** Quantitative Concept

**Definition:** The area under the curve (AUC) extrapolated to infinity, calculated using the observed value of the last non-zero concentration divided by the area under the curve (AUC) extrapolated to infinity, calculated using the observed value of the last non-zero concentration during the initial dosing interval.

**Synonyms:** - ARAUCIFO - Accum Ratio AUC Infinity Obs - Accum Ratio AUC Infinity Obs