All of the following are symptoms of a mild allergic reaction EXCEPT one. Which one is the exception?

The type of facility that would use the UB-04 claim form includes all of the following EXCEPT:

rehabilitation centers. physicians' offices. outpatient surgical centers. skilled nursing facilities.

____ are weak organic acids created from coal tar, through a process called fractional distillation.

A. Oxides B. Phenols C. Ammonias D. Hydrofluorics