Modifiers

• 22: Increased procedural services.

• 23: Unusual anesthesia.

• 24: Unrelated E/M service by the same physician during a postoperative period.

• 25: Separately identifiable E/M service on the same day.

• 26: Professional component (physician’s interpretation only).

• 32: Mandated services (e.g., by court or insurance or any governmental agency).

• 33: Used to indicate that a service was provided as a preventive measure.

• 47: Anesthesia by surgeon.

• 50: Bilateral procedure (performed on both sides of body).

• 51: Multiple surgical or procedure services were performed by the same individual during the same operative session.

• 52: Indicates procedure or service that was partially reduced or terminated at the physician's discretion.

• 53: Discontinued Procedure, used when a surgical or diagnostic procedure is started but terminated due to extenuating circumstances or conditions that threaten the patient's health.

• 54: Surgical care only.

• 55: Postoperative management only.

• 56: Preoperative management only.

• 57: Decision for surgery.

• 58: Signifies a staged or related procedure or service performed by the same physician during the postoperative period of an initial procedure.

• 59: Indicate that a procedure or service was distinct or independent from other services performed on the same day.

• 62: Two surgeons performed services collectively.

• 66: Surgical team.

• 76: Repeat procedure by same physician on the same day.

• 77: Repeat procedure by another physician on the same day.

• 78: Unplanned return of patient.

• 79: Unrelated procedure/service by same physician during postop period.

• 80: Assistant surgeon.

• 81: Minimum assistant surgeon.

• 82: Assistant surgeon (when qualified resident not available).

• 90: Reference (outside) laboratory.

• 91: Repeat clinical diagnostic lab test.

• 92: Alternative lab platform testing.

• 95: Synchronous telemedicine service.

• 99: Indicated multiple modifier (more than 4 modifiers are needed to perfectly describes the services).

• AA: Anesthesia services personally performed by anesthesiologist.

• AD: Medical supervision by physician, more than four concurrent procedures.

• QK: Medical direction of 2–4 concurrent anesthesia procedures by physician.

• QX: CRNA (Certified Registered Nurse Anesthetist) service with medical direction by physician.

• QY: Medical direction of one CRNA (Certified Registered Nurse Anesthetist) by physician.

• QZ: CRNA (Certified Registered Nurse Anesthetist) service without medical direction.

• RH: Ambulance service from residence to hospital.

• NH: Ambulance service from nursing home to hospital.

• SH: Ambulance service from scene to hospital.

• E1: Upper left Eyelid.

• E2: Lower left Eyelid.

• E3: Upper right Eyelid.

• E4: Lower right Eyelid.

• FA: Left hand, thumb.

• F1: Left hand, second digit.

• F2: Left hand, third digit.

• F3: Left hand, fourth digit.

• F4: Left hand, fifth digit.

• F5: Right hand, thumb.

• F6: Right hand, second digit.

• F7: Right hand, third digit.

• F8: Right hand, fourth digit.

• F9: Right hand, fifth digit.

• GP: Physical therapy.

• LT: Indicate left side.

• RT: Indicate right side.

• TA: Left foot, great toe.

• T1: Left foot, second digit.

• T2: Left foot, third digit.

• T3: Left foot, fourth digit.

• T4: Left foot, fifth digit.

• T5: Right foot, great toe.

• T6: Right foot, second digit.

• T7: Right foot, third digit.

• T8: Right foot, fourth digit.

• T9: Right foot, fifth digit.

• LC: Left Circumflex coronary artery.

• LD: Left Anterior Descending coronary artery.

• RC: Right Coronary Artery.

• XE: Separate encounter.

• XS: Separate structure.

• XP: Separate practitioner.

• XU: Unusual non-overlapping service.

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