You can associate SIMs with their corresponding NextGen® Optical Management procedures. By default, each procedure is assigned the appropriate SIM name based on the name of the CPT4 code that already exists in your database.
 
 
  - From the Lens Maintenance master file, select the SIM Mapping tab.
   
    Note: Default SIM code for Medical Device Tax is S9999. You can create a code and assign it to the medical device tax. You can create oversize lens charges for four different lens types: Single Vision, Bifocal Vision, Trifocal Vision, and Progressive Vision.
    
 
    
     
  - To change the SIM assigned to a procedure, select the ellipsis  
 button corresponding to the Description row.
   
    The 
SIM Code Search window opens. 
    
    
  - Locate and select the SIM you want the application to use for the procedure and select OK.