In which stage of pressure ulcers are there blisters on the skin?

Which of the following BEST defines Modifier 57?

A. This modifier should be appended to the performed E/M service when it is performed during the postoperative period, and the physician who performs the E/M service is also the same physician who performed the surgery and the performed E/M service is unrelated to the surgery that had been performed. B. This modifier should be appended to the performed E/M service when an agency, company, or organization requests the performance of an E/M service to indicate that the patient, patient's family or other physician did not initiate the performed E/M service. C. This modifier should be appended to the performed E/M service when the E/M service results in the decision to perform major surgery less than 24 hours before the actual surgery is actually performed and the E/M service that led to the decision for surgery was the first identification that major surgery was required. D. This modifier should be appended to the performed E/M service when the E/M service is a) performed on the same day as another procedure or service, or b) in conjunction performed by a physician who also performs a completely distinct, independent, noteworthy service or minor procedure on the same day.

Which of the following is true regarding tuberculosis?

a. Caused by mycobacterium avium b. Is a very motile bacterium c. Is on the decrease in the United States d. Has a high content of lipids in the cell wall