Download NWCA CPT Modifiers Exam and more Exams Technology in PDF only on Docsity!
Question 1. Which Level I CPT modifier denotes an increased procedural service because of significant additional work? A) 22 B) 24 C) 25 D) 52 Answer: A Explanation: Modifier 22 is applied when the service provided requires substantially more effort, time, or complexity than normally required for the listed CPT code. Question 2. Modifier 24 is used when: A) A separate E/M service is performed on the same day as a procedure. B) An unrelated E/M service is provided by the same physician during the global postoperative period. C) A bilateral procedure is performed. D) The surgeon assists another surgeon. Answer: B Explanation: Modifier 24 indicates an unrelated E/M service performed by the same physician during the postoperative global period of a surgical procedure. Question 3. Which modifier signals a significant, separately identifiable E/M service on the same day as a procedure? A) 24 B) 25 C) 57 D) 59 Answer: B
Explanation: Modifier 25 is appended when a distinct E/M service is provided on the same day as a procedure and is not included in the global surgical package. Question 4. The purpose of Modifier 57 is to: A) Indicate a postoperative complication. B) Document a decision for surgery made during an E/M encounter. C) Show that a service was performed on the left side. D) Identify a technical component only. Answer: B Explanation: Modifier 57 is used when an E/M service results in a decision to perform a major surgical procedure within 24‑ 48 hours. Question 5. When two surgeons operate together as co‑surgeons, which modifier is appropriate? A) 62 B) 66 C) 80 D) 81 Answer: A Explanation: Modifier 62 denotes that two surgeons performed the operative work together, each contributing significant operative time. Question 6. Which modifier indicates that only the surgical care portion of a global package was provided? A) 54 B) 55 C) 56
B) 52
C) 53
D) 59
Answer: B Explanation: Modifier 52 denotes a reduced service when the work performed is substantially less than the full service described by the CPT code. Question 10. Modifier 53 is used when a procedure is: A) Increased due to additional work. B) Discontinued after the physician begins but before completion. C) Performed bilaterally. D) Performed by an assistant surgeon. Answer: B Explanation: Modifier 53 indicates that a procedure was started but not completed, either by physician decision or patient risk. Question 11. When a surgeon assists another surgeon, which modifier should be appended to the assistant’s claim? A) 80 B) 81 C) 82 D) All of the above, depending on circumstances. Answer: D Explanation: Modifiers 80, 81, and 82 all denote assistant surgeon services, differentiated by whether the assistant is a physician, non‑physician, or a second assistant.
Question 12. Modifier 59 is primarily used to: A) Indicate a bilateral procedure. B) Identify a distinct procedural service that is not normally reported together. C) Show a technical component only. D) Denote a repeat procedure by the same physician. Answer: B Explanation: Modifier 59 signals that a service is separate and distinct from other services on the claim, overcoming bundling rules. Question 13. Which of the following is a Level II HCPCS modifier that specifies a right‑side service? A) LT B) RT C) 22 D) 26 Answer: B Explanation: RT is a Level II modifier indicating that the service was performed on the right side of the body. Question 14. The modifier that denotes the professional component of a diagnostic test is: A) TC B) 26 C) 91 D) 90 Answer: B Explanation: Modifier 26 identifies that only the professional (interpretive) component of a service was performed.
Answer: A Explanation: Modifier 58 designates a planned, staged, or related procedure performed during the global period of a prior surgery. Question 18. Modifier 76 is appropriate when: A) The same physician repeats a procedure on a different day. B) A different physician repeats a procedure. C) An unplanned return to the OR occurs. D) A bilateral procedure is performed. Answer: A Explanation: Modifier 76 indicates that the same physician performed a repeat procedure on the same patient. Question 19. When a different physician repeats a previously performed procedure, which modifier should be used? A) 76 B) 77 C) 78 D) 79 Answer: B Explanation: Modifier 77 signals that a repeat procedure was performed by a different physician than the one who performed the original service. Question 20. Which modifier denotes an unplanned return to the operating room for a related procedure? A) 58
B) 76
C) 78
D) 79
Answer: C Explanation: Modifier 78 is used for an unplanned return to the OR during the postoperative period to address a complication or related issue. Question 21. Modifier 79 is used when: A) An unrelated procedure is performed by the same physician during the global period. B) A repeat procedure is performed by the same physician. C) A staged procedure is performed. D) A bilateral procedure is performed. Answer: A Explanation: Modifier 79 indicates that a service performed during the global period is unrelated to the original surgery. Question 22. In CPT coding, the sequence of multiple modifiers on a single line should follow: A) Alphabetical order. B) Pricing/functional modifiers first, then informational modifiers. C) Numerical order only. D) No specific rule; any order is acceptable. Answer: B Explanation: Modifiers that affect payment (pricing/functional) must precede informational modifiers to ensure correct processing. Question 23. Which modifier signals that a service was performed on the left hand?
Question 26. The Medicare‑specific X‑modifiers (XE, XS, XP, XU) are subsets of which primary modifier? A) 22 B) 24 C) 59 D) 26 Answer: C Explanation: The X‑modifiers are specialized versions of Modifier 59, each providing additional detail about separate encounters, structures, practitioners, or unusual services. Question 27. When coding a bilateral knee arthroscopy performed in a single session, which modifiers should be appended? A) 22 and 59 B) 50 only C) 51 and 59 D) 52 only Answer: B Explanation: Modifier 50 indicates that a bilateral procedure was performed, eliminating the need for separate codes for each side. Question 28. For multiple procedures performed in the same operative session, how should the RVU hierarchy influence modifier usage? A) Apply Modifier 51 to the highest‑RVU code. B) Apply Modifier 51 to all but the highest‑RVU code. C) Apply Modifier 51 to the lowest‑RVU code only. D) No modifiers are needed for multiple procedures.
Answer: B Explanation: When multiple procedures are performed, Modifier 51 is placed on all but the highest‑RVU (primary) procedure to indicate they are secondary. Question 29. Which modifier would you use to indicate that a service was performed on the right eye’s upper eyelid? A) RT B) E C) 26 D) 59 Answer: B Explanation: E‑modifiers (E1‑E4) specify eyelid location; E1 denotes the right upper eyelid. Question 30. A surgeon performs a pre‑operative evaluation but does not perform the surgery. Which modifier is correct? A) 54 B) 55 C) 56 D) 57 Answer: C Explanation: Modifier 56 is used when only the pre‑operative evaluation and management are provided. Question 31. Which modifier is appropriate for a service where the technical component is performed by the provider’s facility, but the professional component is performed by an outside physician? A) 26
Question 34. A provider performs a minor procedure that is subsequently discontinued due to patient instability. Which modifier applies? A) 22 B) 52 C) 53 D) 59 Answer: C Explanation: Modifier 53 indicates a discontinued procedure, regardless of whether the discontinuation is physician‑initiated or due to patient risk. Question 35. When a surgeon provides only postoperative management after another surgeon performed the operation, which modifier is used? A) 54 B) 55 C) 56 D) 57 Answer: B Explanation: Modifier 55 signals that only postoperative management services were provided. Question 36. Which modifier is used to denote that a service was performed on the left thumb? A) LT B) FA C) FB D) F Answer: B
Explanation: FA is the HCPCS modifier for the left thumb (FA‑F9 designate specific fingers). Question 37. For a bilateral mastectomy performed in a single session, which modifier should be reported? A) 22 B) 50 C) 51 D) 59 Answer: B Explanation: Modifier 50 indicates a bilateral procedure performed during the same operative session. Question 38. The use of Modifier 99 is required when: A) Two surgeons operate together. B) Multiple modifiers are placed on a single line item. C) A procedure is performed bilaterally. D) A service is provided on the left side. Answer: B Explanation: Modifier 99 is a catch‑all that indicates that multiple modifiers are being used on the same claim line. Question 39. Which Level II modifier indicates a service performed on the right toe? A) RT B) TA C) TB D) TC
B) TC
C) 90
D) 91
Answer: A Explanation: Modifier 26 denotes that only the professional component (interpretation) was performed by the reporting entity. Question 43. A surgeon performs a bilateral foot debridement in one operative session. Which modifier(s) should be reported? A) 50 only B) 51 only C) 50 and 51 D) 22 only Answer: A Explanation: Modifier 50 captures bilateral procedures performed during the same session; no additional modifier is needed. Question 44. When coding an E/M service that resulted in a decision to operate within 48 hours, which modifier is appropriate? A) 24 B) 25 C) 57 D) 59 Answer: C Explanation: Modifier 57 is used to indicate that the E/M service led to a decision for surgery within the next 24‑ 48 hours.
Question 45. Which modifier is used for a service that is performed on the left coronary artery? A) LC B) LD C) RC D) RT Answer: A Explanation: LC is the HCPCS modifier denoting the left coronary artery. Question 46. A physician provides a technical component only for a pathology service performed at an outside lab. Which modifier should be used? A) 26 B) TC C) 90 D) 91 Answer: B Explanation: Modifier TC indicates that only the technical component of the service was performed by the reporting entity. Question 47. When a procedure is performed on a patient who has already had the same procedure earlier in the same encounter, which modifier should be used? A) 76 B) 77 C) 78 D) 79 Answer: A
Answer: B Explanation: Modifier 77 indicates a repeat procedure performed by a different physician than the one who performed the original service. Question 51. Which modifier is appropriate for a service that is performed on the left side of the body and also represents a distinct procedural service? A) LT only B) 59 only C) LT and 59 D) No modifier needed Answer: C Explanation: When a service is both lateral (LT) and distinct from other services, both the side modifier and Modifier 59 are appended. Question 52. For a bilateral breast reduction performed in one operative session, which modifier should be used? A) 22 B) 50 C) 51 D) 59 Answer: B Explanation: Modifier 50 denotes bilateral procedures performed during the same operative session. Question 53. Which modifier indicates that only the professional component of a service was performed, while the technical component was performed elsewhere? A) 26
B) TC
C) 90
D) 91
Answer: A Explanation: Modifier 26 is used when the provider performed only the professional (interpretive) component. Question 54. When a surgeon provides only the postoperative management for a surgery performed by another surgeon, which modifier is used? A) 54 B) 55 C) 56 D) 57 Answer: B Explanation: Modifier 55 indicates postoperative management services only. Question 55. A service is performed on the right thumb. Which HCPCS modifier should be attached? A) FA B) FB C) FC D) FD Answer: A Explanation: FA is the finger modifier for the right thumb. Question 56. Which modifier is used to indicate that a service was performed on the left kidney?
