Definitive Identification of Clinically Significant Isolates

Definitive identification of clinically significant isolates

A) is always necessary and should be carried out by the laboratory at all times.
B) is desirable in most cases but sometimes limited identification may be necessary and helpful.
C) is often not cost effective and should be done only when requested by the attending physician.
D) is not necessary in most cases and should not be done routinely by the laboratory.