In this case, the correct diagnosis was really reached, you might say, by the mother.

If not, the resident might never have made a correct diagnosis.

To cure any disease, a correct diagnosis has to be made.

Rather, the physicians did not consider the correct diagnosis in the first place.

It was then, after about two weeks, that they finally did a culture and came up with a correct diagnosis.

In some cases, too, doctors may not make the correct diagnosis right away.

The time between her accident and the correct diagnosis was one year.

"And now you say that was not the correct diagnosis?"

In order to do that, we must establish the correct diagnosis.

In these cases it is especially important to obtain a correct diagnosis.