Explain the four applications of modifier -51.

What will be an ideal response?

Modifier 51 is used to identify:
• Multiple medical procedures performed at the same session by the same provider.
• Multiple, related operative procedures performed at the same session by the same provider.
• Operative procedures performed in combination, at the same operative session, by the same provider.
• A combination of medical and operative procedures performed at the same session by the same provider.