Modifier Reference Hub

Complete guide to medical coding modifiers, usage rules, and payer acceptance.

Individual Modifiers

22 – Modifier 22: Increased Procedural Services
25 – Modifier 25: Significant, Separately Identifiable Evaluation and Management Service
26 – Modifier 26: Professional Component
50 – Modifier 50: Bilateral Procedure
51 – Modifier 51: Multiple Procedures
52 – Modifier 52: Reduced Services
53 – Modifier 53: Discontinued Procedure
54 – Modifier 54: Surgical Care Only (Intraoperative Service)
55 – Modifier 55: Postoperative (Post-Op) Care Only
56 – Modifier 56: Preoperative (Pre-Op) Care Only
59 – Modifier 59: Distinct Procedural Service
62 – Modifier 62: Two Surgeons (Co-Surgeon)
63 – Modifier 63: Procedure on Infant
66 – Modifier 66: Surgical Team Procedure
76 – Modifier 76: Repeat Procedure, Same Physician, Same Day
77 – Modifier 77: Repeat Procedure, Same Patient, Different Physician, Same Day
91 – Modifier 91: Repeat Clinical Diagnostic Laboratory Test
95 – Modifier 95: Synchronous, Real-Time Telehealth E/M Service
tc – Modifier TC: Technical Component
xe – Modifier XE: Separate Encounter, Same Day
xp – Modifier XP: Separate Practitioner, Same Day
xs – Modifier XS: Separate Anatomical Site or Organ
xu – Modifier XU: Unusual, Nonrelated (Non-Overlapping) Service