51 - Modifier 51 Multiple Procedures indicates that multiple procedures were performed at the same session. It applies to: Different procedures performed at the same session. A single procedure performed multiple times at different sites.
25 - Modifier 25 is used to indicate that a patient's condition required a significant, separately identifiable evaluation and management (E/M) service above and beyond that associated with another procedure or service being reported by the same physician or other qualified health care professional (QHP) on the same date.
RT - right
LT - left
TA - left foot, great toe
T1 - left foot, second digit
T5 - right foot, great toe
T9 - right foot, fifth digit
59 - two or more procedures are performed at different anatomic sites or during different patient encounters