What type of lab test would not be conducted if you suspect a patient has contracted plague?

If a patient is suspected of having contracted the plague, a routine blood culture may not be conducted initially, as specific tests for Yersinia pestis, the bacterium that causes plague, are more critical. Instead, diagnostic tests such as polymerase chain reaction (PCR) assays, serology for specific antibodies, or direct staining and culture of specimens from lymph nodes or respiratory secretions would be prioritized. Rapid identification is essential due to the serious nature of the disease and the need for timely treatment.