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What is the correct code for a surgical procedure with general anesthesia?

Understanding the Importance of CPT Codes in Medical Coding

Welcome to the world of medical coding! Medical coders are vital to healthcare. They are responsible for assigning numerical codes to medical procedures and diagnoses, which are crucial for insurance billing, data analysis, and patient care.

One of the most important resources for medical coders is the CPT (Current Procedural Terminology) codebook. CPT codes are standardized medical codes owned by the American Medical Association (AMA). Every year the AMA releases an updated CPT manual that coders are legally obligated to buy and use!

It's very important to always use the latest CPT codebook as failing to use the correct, updated code book may be considered a fraudulent activity in your work and lead to serious consequences like fines, losing your license, or even imprisonment.

Every CPT code describes a specific medical procedure or service. The correct code helps to ensure that the insurance companies will pay the healthcare providers for the service provided to patients. To properly select the CPT code, you need to understand what each code represents and under which circumstances the specific code can be used. There is a code for every single medical procedure.

Many CPT codes have modifiers attached to them. Modifiers are two-digit alphanumeric codes used to describe variations or additions to the main procedure. The use of a modifier depends on the circumstances, the procedures, and can include patient information.

In this article, we will examine a specific CPT code, 33910, which describes “Pulmonary Artery Embolism with cardiopulmonary bypass,” along with its possible modifiers. These are just illustrative examples provided by our medical coding experts. When using CPT codes for billing or other practice, use updated codes directly from the CPT manual provided by the AMA. The information in this article may not represent the latest version of the CPT codebook.

What is Pulmonary Artery Embolism? What is 33910 CPT code for?

Pulmonary Artery Embolism is a serious medical condition that happens when a blood clot travels from the legs or arms to the lungs, blocking the flow of blood and oxygen through the lungs.

CPT code 33910 represents a surgical procedure that is performed to remove a blockage from the pulmonary artery.

The procedure may require the use of cardiopulmonary bypass. It is an urgent and life-saving procedure and often performed with general anesthesia.

Modifier 22 – Increased Procedural Services

Story: You are working at the hospital. Patient Mike arrived with a severe pulmonary artery embolism. After the doctor assessed Mike, the surgery team performed pulmonary artery embolectomy. They found that Mike’s pulmonary artery was very severely obstructed, and it took surgeons significantly more time and efforts to perform the surgery. This made the procedure much more complex and lengthy.

Question: Do you need to use any modifiers for CPT code 33910?

Answer:Yes, because the service was very complex, you will need to add modifier 22 – Increased Procedural Services, to CPT code 33910.

This modifier reflects that the service required considerably more time and effort due to the complexity of the procedure, beyond what was included in the base code.

Note: This information is purely illustrative! For detailed descriptions of modifiers and use cases refer to the current CPT codebook by AMA! Failing to buy and use the most up-to-date CPT codes for billing could lead to legal consequences! The consequences can be very severe including imprisonment and high fines.

Modifier 47 – Anesthesia by Surgeon

Story: Mary, a patient in the hospital, needs to have a pulmonary artery embolectomy. Her procedure is complex due to her age and complicated health conditions, requiring additional special skills from the surgeon. To avoid any complications, Mary’s doctor, a cardiothoracic surgeon with a special anesthesia certificate, will provide her anesthesia service.

Question: Which modifier will you use for Mary’s procedure?

Answer: In this scenario, you need to use modifier 47. It indicates that the surgeon performed the anesthesia services for the patient during the procedure.

Remember: Modifier 47 will apply if the surgeon personally administered the anesthetic to the patient during the surgical procedure. Not all surgeons are certified to provide anesthesia.

Modifier 51 – Multiple Procedures

Story: In the ER you’ve got a very busy day. An ambulance brought in Bob who suffered an injury in a car accident and is experiencing extreme shortness of breath. He’s diagnosed with a pulmonary embolism. During surgery, the doctors find a damaged valve and decide to replace it with a prosthetic one during the same procedure.

Question: Will you need to use any modifiers for CPT codes 33910 and the valve replacement?

Answer: For this situation, you should add modifier 51 for both procedures: the pulmonary artery embolectomy (33910) and the valve replacement surgery code. You must indicate that these two services were provided on the same day to the same patient, making them a part of the same surgery.

Note: If there are more than one code reported with Modifier 51, the lowest code should be coded as the primary code.

Modifier 52 – Reduced Services

Story: A new patient, Susan, came to the hospital complaining about shortness of breath and chest pain. The doctors found an embolism, but the surgery went much faster than expected. They found the embolus in the pulmonary artery quickly and did not need to use complex methods to remove it.

Question: What modifier would you add to the CPT code 33910 to show the services were performed at a reduced level?

Answer: The surgical procedure Susan had, was a bit less complex than the usual case with code 33910. The surgeon completed the procedure with significantly less effort and time, than would usually be the case. To document that the procedure was reduced in this case, you should add Modifier 52, reduced services, to the 33910 code.

Modifier 53 – Discontinued Procedure

Story: You are coding the patient records for Mr. Johnson, who arrived at the ER with a large pulmonary embolism and chest pain. The surgery team prepared Mr. Johnson for pulmonary artery embolectomy surgery and performed a small incision in the chest. It turns out Mr. Johnson's heart condition was even worse than previously diagnosed, and surgery was impossible in this situation. The surgery team immediately stopped the operation.

Question: How to document the procedure in the records of the surgery team?

Answer: The surgery team did not finish the procedure 33910 due to unexpected circumstances. This procedure needs to be coded and the fact that it was not finished needs to be documented. This is achieved with modifier 53, discontinued procedure, added to code 33910.

Note: This situation usually involves complex and emergent circumstances and may trigger additional medical coding and billing complexity, requiring extensive knowledge of various CPT codes and rules.

Modifier 54 – Surgical Care Only

Story: We got a patient, Mark, who needs to undergo a pulmonary artery embolectomy. His physician, who will be performing the surgery, has determined that the surgical portion of the procedure would be best served if performed on its own day, separate from the pre- and post- operative services.

Question: What modifier should be added to the CPT code in this scenario?

Answer: This is a common case when the procedure is complex and may involve extensive pre- and postoperative care, but surgeons prefer to perform the surgical procedure on its own. In this situation, modifier 54 – surgical care only – should be added to code 33910 to reflect that the surgical procedure has been separated from other services that can be billed on other days.

Modifier 55 – Postoperative Management Only

Story: You are looking at a patient's chart and notice that a surgeon, Dr. Williams, performed a pulmonary artery embolectomy for his patient, Anna. Dr. Williams had another surgery immediately after and requested that the nurses continue monitoring and providing care for Anna post-surgery.

Question: What code and modifier should be used in Anna's chart?

Answer: Dr. Williams did not perform the surgery, but is responsible for Anna's recovery, and provides care services for Anna. For this situation, code 33910 with modifier 55 – postoperative management only, is added.

Modifier 56 – Preoperative Management Only

Story: David arrived at the hospital with a suspected pulmonary artery embolus and required emergency surgery. A doctor has provided pre-operative care and evaluation, determined that a pulmonary artery embolectomy is necessary and prepped him for surgery. The procedure was then performed by another physician.

Question: What should be added to the procedure code?

Answer: If you want to separately bill the pre-operative management, use code 33910 and modifier 56. This means the doctor billed for the services provided prior to the actual procedure.

Modifier 58 – Staged or Related Procedure or Service by the Same Physician or Other Qualified Health Care Professional During the Postoperative Period

Story: Mr. Smith received surgery to remove a pulmonary artery embolus. The same physician who performed the initial surgery completed another minor surgical procedure for a different condition to Mr. Smith. He had to come back to the hospital for another surgical procedure.

Question: What code and modifier need to be added to reflect this additional procedure?

Answer: Use code 33910 and modifier 58. This modifier describes situations where another procedure or service was provided by the same physician during the post-operative period of the primary procedure.

Modifier 62 – Two Surgeons

Story: During surgery for pulmonary artery embolectomy, one of the surgeons, Dr. Johnson, needed assistance to remove the embolus and a different doctor with special training on that procedure, Dr. Wilson, was involved.

Question: How would you document these services in the patient chart?

Answer: You would bill the procedure using CPT code 33910 with modifier 62 to indicate that the procedure involved two surgeons. The participation of both doctors in the surgical procedure should be documented by the surgeon team.

Modifier 76 – Repeat Procedure or Service by Same Physician or Other Qualified Health Care Professional

Story: Susan, an 80-year-old woman, needed pulmonary artery embolectomy a few years ago. She unfortunately experiences it again and her previous surgeon is performing another surgery for her to remove another embolus in the same location.

Question: What code and modifier need to be used to represent this situation?

Answer: Code 33910 should be used to represent the procedure. In this case, you will also need modifier 76, to show that the same surgeon repeated the surgery.

Modifier 77 – Repeat Procedure by Another Physician or Other Qualified Health Care Professional

Story: A young, but very skilled, surgeon Dr. Smith, had a very complicated case for the first time. She was asked to participate in the procedure for pulmonary artery embolectomy surgery with Dr. Williams. It was a challenging case and Dr. Williams made sure Dr. Smith had the best training. However, some time later the patient experienced another pulmonary embolism and Dr. Smith had to repeat the procedure by herself, but under supervision by Dr. Williams.

Question: How should the procedure be documented and what codes need to be used in the patient’s chart?

Answer: To describe the repeated surgery performed by Dr. Smith, use the same code 33910, with modifier 77. This modifier documents the repeated procedure, but performed by a different surgeon, in this case Dr. Smith.

Modifier 78 – Unplanned Return to the Operating/Procedure Room by the Same Physician or Other Qualified Health Care Professional Following Initial Procedure for a Related Procedure During the Postoperative Period

Story: During a pulmonary artery embolectomy for patient Tom, the surgeon, Dr. Williams, noticed some complications that required additional, urgent surgery for the same condition within the same day. It turned out to be another embolus in a different artery. Dr. Williams returned to the operation room and performed a related surgical procedure.

Question: How to document Dr. Williams return to the operation room?

Answer: You should use code 33910 with modifier 78, which signifies that a related procedure was completed after the initial procedure due to complications, but by the same doctor who completed the primary procedure.

Modifier 79 – Unrelated Procedure or Service by the Same Physician or Other Qualified Health Care Professional During the Postoperative Period

Story: Mr. Wilson needed a pulmonary artery embolectomy, He had a problem with his intestines as a complication and the surgeon Dr. Williams who did the initial procedure had to operate on the patient's intestines within the same day.

Question: What codes and modifiers need to be used to document both surgeries?

Answer: The initial procedure will be documented using code 33910, and modifier 79 will be used to show that the unrelated surgery that followed in the same day was performed by the same physician. This modifier will be assigned to the additional surgery's CPT code.

Modifier 80 – Assistant Surgeon

Story: Dr. Anderson, the surgeon, was performing the procedure, while the resident doctor Dr. Baker, participated in the surgery to assist the surgeon.

Question: What code and modifier need to be used in this scenario?

Answer: Code 33910 is used for the procedure, and the participation of Dr. Baker, the assistant, is indicated with modifier 80.

Modifier 81 – Minimum Assistant Surgeon

Story: Dr. Smith was assisting Dr. Wilson who was performing a pulmonary artery embolectomy surgery. Dr. Smith, though being a surgeon, is still gaining experience in the field. Dr. Wilson, who was supervising Dr. Smith’s work, reported that Dr. Smith’s assistance involved a minimum amount of help in performing the surgery, making her a “minimum assistant surgeon”

Question: What modifier needs to be assigned?

Answer: Modifier 81 needs to be added to 33910 to show that the surgery included the assistance of a minimum assistant surgeon, in this case Dr. Smith, and to distinguish the service from that represented by modifier 80.

Modifier 82 – Assistant Surgeon (when qualified resident surgeon not available)

Story: During pulmonary artery embolectomy, Dr. Wilson performed the surgery. In this hospital, no residents qualified to perform assistant surgeries on that day. A qualified non-resident doctor, Dr. Smith, was asked to perform the assistant services during the procedure.

Question: What code and modifier need to be used in the patient chart?

Answer: In this situation, you will need to assign modifier 82 to code 33910. It signifies that, since the residency doctor could not participate in the surgery, an assistant surgeon who is not a resident assisted the doctor.

Modifier 99 – Multiple Modifiers

Story: You need to code a pulmonary artery embolectomy procedure in a hospital, but in this specific case, there are a few additional factors. First, the surgery team was in an unusual situation, requiring considerably more effort and time than a standard pulmonary artery embolectomy. The surgery was also completed in two parts. The initial surgery included two surgeons who were both qualified and Dr. Anderson, the chief surgeon, provided the patient's anesthesia for the procedure.

Question: What codes and modifiers should be assigned in this case?

Answer: In this situation you should use code 33910 with modifier 22, to represent the extended and more complex procedure, and with modifier 51 because the service is performed in two parts, and with modifier 62, which represents the participation of two surgeons in the procedure. To document that multiple modifiers have been used, use modifier 99. This way you will ensure that every aspect of the procedure is accurately reflected and the billing is correct.

Final Thoughts about CPT Codes

Always consult with the AMA's updated and licensed CPT codebook when billing for any healthcare procedure! Medical coding involves a significant responsibility and requires continuous training and professional development!

If you want to work in this industry as a medical coder, ensure you understand the legal and financial responsibilities, and have the latest knowledge regarding the rules, codes and modifiers. It's important to work according to regulations as failing to use the correct CPT codes for billing may result in severe legal consequences and possible prison sentence!

Learn how to correctly code surgical procedures with general anesthesia using CPT code 33910. Understand the importance of modifiers and their use cases in medical coding. Discover the benefits of AI and automation in medical coding!

What CPT Modifiers Are Used for Pulmonary Artery Embolism Surgery (CPT Code 33910)?