The most commonly occurring malignancy in the oral cavity is:

Which types of hazards cause injury through blunt physical force?

A. Biological hazards B. Etiological hazards C. Mechanical hazards D. Radiological hazards

If the principal diagnosis documented at the time of discharge is qualified with words such as probable, suspected, likely, questionable, possible, or still to be ruled out, code the __________

a. diagnosis as if it existed or was established b. initial therapeutic approach that corresponds to the diagnosis c. observation care provided to the hospital inpatient d. signs or symptoms only, and do not code the qualified diagnosis