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Episode Clinical Summary	Table of Contents				
BILATERAL CATARACT REMOVAL WITH LENS IMPLANT					
Episode Characteristic	Episode Information				
Episode Overview	This episode includes clinically related services for patients who receive cataract surgery in each eye (bilateral) during a 90 day period.  Unilateral surgery is excluded to enable a more homogenous and comparable episode. 				
Episode Subtype Overviews	N/A				
Episode Type	Procedural				
Trigger Rules	"? Two services within 90 days of one another in any setting with a trigger CPT-4 procedure code, one having left eye modifier and one having right eye modifier; or
? One service in any setting with a trigger CPT-4 procedure code having modifier indicating both eyes"				
Start Date	3 days before first trigger service date				
Grouping Rules	"Services occurring between the episode start and end date are grouped to the episode using the following grouping rules:
? Service only: Groups services with one of the specified procedure codes listed in the episode?s definition.
? Service-diagnosis pair: Groups services with one of the specified procedure codes only if paired with one of the specified diagnosis codes.
? Principal diagnosis only: Groups services with one of the specified diagnosis codes in the principal position.
The list of codes in the episode's definition can be found on the following page. "				
"Closing Rules
(End Date)"	90 days after first trigger service date				
End of Worksheet					
