Crystal's MCW Coder Hub🏷️ Facility Modifiers Guide
🎯 Purpose
Quick reference for facility‑appropriate modifiers.
🧩 Common Facility Modifiers
| Modifier | Meaning |
|---|---|
| 25 | Significant, separately identifiable E/M |
| 59 | Distinct procedural service |
| XU/XS/XP/XE | More specific versions of 59 |
| LT/RT | Left / Right |
| 50 | Bilateral procedure |
| 73/74 | Discontinued outpatient procedure |
| 91 | Repeat lab test |
🧠 Notes
- Modifier 25 applies to professional, not facility E/M
- Use X‑modifiers when payer prefers specificity
- 73/74 require clear documentation of reason