No, it is a well defined term in this context and does not refer to sensitivity. https://pmc.ncbi.nlm.nih.gov/articles/PMC4614595/#:~:text=Accuracy:%20The%20ac

No, it is a well defined term in this context and does not refer to sensitivity. https://pmc.ncbi.nlm.nih.gov/articles/PMC4614595/#:~:text=Accuracy:%20The%20accuracy%20of%20a,TP%20+%20TN%20+%20FP%20+%20FN https://pmc.ncbi.nlm.nih.gov/articles/PMC4614595/#:~:text=Ac... That is exactly why I gave the trivial example of an "always No" test. It has perfect specificity (zero false positives) and has accuracy corresponding to prevalence. The sensitivity is zero, however, which is the point.