using 59 modifier

when is it appropriate to bill cpt code 29822 modifier 59 with cpt code 29826?

Modifier 59 use

It is appropriate to report CPT code 29822-59 when the surgeon performs an intra-articular debridement. The modifier 59 indicates separate anatomic location. This of course is dependent on whether any other additional procedures are performed at the same time. CPT code 29826 includes a debridement, same anatomic location.