A 65 year-old male presents to the office with history of on…

A 65 year-old male presents to the office with history of ongoing diabetes which has been controlled with insulin for follow­up exam with his family practice physician, during this encounter the physician notes a chronic diabetic wound of his right greater toe and determines gangrene has set in. After examination and testing the family practice physician recommends the gentleman to be seen by a general surgeon for treatment of his gangrene of his right great toe. What are the correct diagnoses to report for this encounter?