Coding help for ER visit

Patient presents at ER with complaint of pain in eye. After admission and work up, an ophthalmologist is called in and treats an acute glaucoma (365.22). What would be the type of E&M code used to code the ophthalmologist's services?

re: Coding help for ER visit CATEGORY OF CODE CHART

Download the Category of Code chart from the Codapedia article on category of code

http://codapedia.com/article_517_Category-of-Code-Selection.cfm