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Guidelines Ultimate Exam
Question 1. Which CPT code range is reserved exclusively for anesthesia services? A) 10021- 19999 B) 00100- 01999 C) 20000- 29999 D) 30000- 39999 Answer: B Explanation: The anesthesia CPT codes are located in the 00100- 01999 range, separate from surgical codes. Question 2. In anesthesia coding, “crosswalking” refers to: A) Converting minutes to units. B) Mapping a surgical CPT code to its corresponding anesthesia base code. C) Adding a modifier for physical status. D) Reporting both anesthesia and surgical codes on the same claim. Answer: B Explanation: Crosswalking links a surgical procedure to the appropriate anesthesia base code for billing. Question 3. The start of “anesthesia time” is defined as: A) Patient entering the operating room. B) Induction of anesthesia. C) When the anesthetic drug is administered. D) When the patient is positioned for surgery. Answer: B
Guidelines Ultimate Exam
Explanation: Anesthesia time begins at induction, i.e., when anesthesia is first administered. Question 4. Which of the following is considered a “moderate (conscious) sedation” service rather than general anesthesia? A) Laryngeal mask airway placement. B) Propofol infusion for colonoscopy with patient responsive to verbal cues. C) Endotracheal intubation for abdominal surgery. D) Spinal block for total knee arthroplasty. Answer: B Explanation: Moderate sedation with propofol where the patient remains responsive fits the definition of conscious sedation, not general anesthesia. Question 5. A patient undergoes an anterior cervical discectomy. Which base anesthesia code is most appropriate? A) 00620 B) 00740 C) 00144 D) 00400 Answer: A Explanation: Code 00620 covers cervical spine procedures, including anterior cervical discectomy. Question 6. For a bilateral breast reduction, the correct anesthesia code is: A) 00400 B) 00420 C) 00440
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C) 99120
D) 99130
Answer: A Explanation: Code 99100 adds an extra unit for patients over 70 years of age. Question 10. Time units (T) are calculated by: A) One unit per 5 minutes of anesthesia time. B) One unit per 10 minutes of anesthesia time. C) One unit per 15 minutes of anesthesia time. D) One unit per 30 minutes of anesthesia time. Answer: C Explanation: The standard conversion is 1 unit for each 15 minutes of anesthesia time. Question 11. A patient undergoing a total hip replacement has a base unit of 12, anesthesia time of 2 hours, and physical status P2. What is the total unit count before applying the conversion factor? A) 18 B) 20 C) 22 D) 24 Answer: B Explanation: Base 12 + Time (2 hrs = 8 units) = 20; P2 adds 0 units, so total is 20. Question 12. Which of the following codes is used for anesthesia during a MRI of the brain?
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A) 01916
B) 01930
C) 01942
D) 01950
Answer: A Explanation: Code 01916 covers anesthesia for MRI procedures. Question 13. The modifier QK is appropriate when: A) The CRNA provides the entire service without direction. B) The anesthesiologist medically directs two or more concurrent procedures. C) The patient is under 1 year of age. D) The service is performed in a hospital outpatient department. Answer: B Explanation: QK indicates medical direction of multiple concurrent anesthesia services. Question 14. Which CPT range includes anesthesia for obstetric procedures? A) 00100- 00352 B) 00400- 00580 C) 00600- 00670 D) 01958- 01969 Answer: D Explanation: Obstetric anesthesia codes are in the 01958-01969 range. Question 15. A patient receives a combined spinal-epidural for labor analgesia. Which code best represents the anesthesia service?
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Question 18. Which modifier is used to indicate CRNA services performed without medical direction? A) QX B) QZ C) AA D) QK Answer: QX Explanation: Modifier QX identifies CRNA-provided anesthesia services without physician direction. Question 19. For a patient undergoing a thoracotomy with one-lung ventilation, the appropriate base code is: A) 00440 B) 00460 C) 00480 D) 00500 Answer: C Explanation: Code 00480 is designated for thoracic procedures requiring one-lung ventilation. Question 20. Which of the following represents a “moderate sedation” CPT code? A) 00785 B) 00816 C) 00720 D) 00856 Answer: B
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Explanation: Code 00816 is used for moderate sedation (conscious sedation) procedures. Question 21. A patient receives a continuous epidural infusion for postoperative pain after a major abdominal surgery. Which add-on code is appropriate? A) 01990 B) 01994 C) 01996 D) 01998 Answer: C Explanation: Code 01996 covers daily management of an epidural infusion for postoperative pain. Question 22. Physical status modifier P5 is used for a patient who is: A) Moribund. B) Brain-dead. C) Has mild systemic disease. D) Has severe systemic disease. Answer: A Explanation: P5 indicates a moribund patient, i.e., one who is not expected to survive without the procedure. Question 23. In calculating anesthesia units, an interruption lasting 5 minutes is: A) Subtracted from total time. B) Ignored and total time remains unchanged. C) Counted as a separate unit.
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D) 01942
Answer: D Explanation: Code 01942 is used for anesthesia during interventional radiology procedures, including cardiac catheterization. Question 27. When a CRNA provides anesthesia under the direction of an anesthesiologist, which modifier is appropriate? A) QX B) QZ C) QK D) AA Answer: QZ Explanation: Modifier QZ indicates CRNA services with medical direction by an anesthesiologist. Question 28. The conversion factor applied to the unit total is: A) A fixed dollar amount set by the Medicare Administrative Contractor. B) The number of minutes of anesthesia time. C) The base unit value. D) The number of qualifying circumstance codes. Answer: A Explanation: The conversion factor is a dollar amount determined by the payer (e.g., Medicare) applied to the total unit count. Question 29. Which base code is used for anesthesia during a cesarean delivery with neuraxial anesthesia? A) 01958 B) 01960
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C) 01962
D) 01964
Answer: C Explanation: Code 01962 is specific for cesarean delivery anesthesia. Question 30. A patient undergoing a total shoulder arthroplasty receives a brachial plexus block plus general anesthesia. The appropriate base code is: A) 01112 B) 01115 C) 01120 D) 01125 Answer: C Explanation: Code 01120 covers anesthesia for shoulder procedures. Question 31. Which code is used for anesthesia during an interventional CT-guided biopsy? A) 01916 B) 01930 C) 01940 D) 01942 Answer: D Explanation: Code 01942 includes anesthesia for interventional radiology procedures such as CT-guided biopsies. Question 32. The “qualifying circumstance” code 99140 adds an extra unit for: A) Controlled hypotension.
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A) 00816
B) 00818
C) 00820
D) 00825
Answer: A Explanation: Code 00816 is for moderate sedation (conscious sedation) for diagnostic procedures. Question 36. Which of the following is a “base unit” for a thoracic spine fusion? A) 6 B) 8 C) 10 D) 12 Answer: C Explanation: Thoracic spine fusion carries a base unit of 10 according to the anesthesia code set. Question 37. The modifier “QK” can be used only when: A) Two or more unrelated procedures are performed on the same patient. B) The anesthesiologist directs two to four concurrent anesthesia services. C) The CRNA works independently. D) The patient is under 12 months of age. Answer: B Explanation: QK denotes medical direction of two, three, or four concurrent anesthesia procedures.
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Question 38. For a patient receiving a continuous peripheral nerve block post-operatively, the appropriate add-on code is: A) 01990 B) 01994 C) 01996 D) 01998 Answer: B Explanation: Code 01994 reports daily management of a peripheral nerve block. Question 39. Which code is used for anesthesia during a hip arthroscopy? A) 01840 B) 01850 C) 01860 D) 01870 Answer: A Explanation: Code 01840 corresponds to anesthesia for hip arthroscopy. Question 40. When reporting anesthesia for a patient undergoing a combined spinal-epidural (CSE) for a cesarean section, which qualifier should be appended? A) 99100 B) 99110 C) 99120 D) None, because the base code already includes the neuraxial technique. Answer: D Explanation: The base obstetric code (01962) inherently covers neuraxial techniques; no additional qualifier is needed.
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Explanation: Controlled hypotension (99140) adds one additional unit. Question 44. A patient undergoing a percutaneous nephrolithotomy receives general anesthesia. The correct base code is: A) 00740 B) 00760 C) 00780 D) 00790 Answer: D Explanation: Code 00790 covers anesthesia for percutaneous renal procedures. Question 45. Which modifier indicates that the anesthesia was performed by a physician assistant (PA) under the direction of an anesthesiologist? A) AA B) QK C) QX D) None; PAs do not have a specific anesthesia modifier. Answer: D Explanation: There is no specific PA modifier for anesthesia; the services are billed under the supervising physician’s code. Question 46. For a patient receiving anesthesia during a pediatric cardiac surgery lasting 3 hours, how many time units are billed? A) 8 B) 10 C) 12 D) 14
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Answer: C Explanation: 3 hours = 180 minutes ÷ 15 minutes per unit = 12 time units. Question 47. Which base code is used for anesthesia during a lumbar laminectomy? A) 00620 B) 00630 C) 00640 D) 00650 Answer: B Explanation: Code 00630 is designated for lumbar spine laminectomy anesthesia. Question 48. An anesthesia claim includes the qualifier 99130. This indicates: A) Patient age >70 years. B) Patient age <1 year. C) Total body hypothermia. D) Controlled hypotension. Answer: B Explanation: Code 99130 adds a unit for patients younger than 1 year. Question 49. When a CRNA provides anesthesia for a single procedure with no physician direction, which modifier is required? A) QK B) QX C) QZ D) AA
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Answer: C Explanation: Code 00440 is for total mastectomy with immediate reconstruction. Question 53. Which code is used for anesthesia during a percutaneous coronary intervention (PCI) performed under conscious sedation? A) 01930 B) 01934 C) 01942 D) 01950 Answer: C Explanation: Code 01942 includes anesthesia for interventional radiology procedures, encompassing PCI with conscious sedation. Question 54. The “qualifying circumstance” code for extreme age (over
- adds: A) 0 units B) 1 unit C) 2 units D) 3 units Answer: B Explanation: Code 99100 adds one unit for patients older than 70. Question 55. For a patient undergoing a total elbow arthroplasty, the base anesthesia code is: A) 01112 B) 01115 C) 01120
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D) 01125
Answer: B Explanation: Code 01115 is assigned to elbow joint procedures. Question 56. Which modifier would you use to indicate that the anesthesiologist provided medical direction for two concurrent procedures? A) AA B) QK C) QX D) QZ Answer: B Explanation: Modifier QK is used when one anesthesiologist directs two or more concurrent procedures. Question 57. In the anesthesia reimbursement formula, what does the “M” represent? A) Minutes of anesthesia time. B) Modifying units for physical status or qualifying circumstances. C) Monetary conversion factor. D) Maximum allowable units. Answer: B Explanation: “M” stands for modifying units added for physical status or qualifying circumstances. Question 58. A patient receives a spinal block for a lumbar laminectomy lasting 2 hours 20 minutes. How many time units are billed? A) 8 B) 9
