CPT CODES

CPT Code 43845

CPT code 43845 is a medical billing code for a gastroplasty duodenal switch procedure, used to describe specific surgical services.

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What is CPT Code 43845

CPT code 43845 is used to describe a gastroplasty procedure involving a duodenal switch. This surgical intervention is typically performed for weight loss and involves creating a smaller stomach pouch and rerouting the intestines to limit food intake and nutrient absorption. The code specifically indicates that the procedure is focused on the duodenum, which is the first part of the small intestine, and is part of a more complex bariatric surgery aimed at treating obesity.

Does CPT 43845 Need a Modifier?

For CPT code 43845 (Gastroplasty duodenal switch), the following modifiers may be applicable:

1. Modifier 22 - Increased Procedural Services: Used when the work required to provide a service is substantially greater than typically required.

2. Modifier 52 - Reduced Services: Indicates that a service or procedure is partially reduced or eliminated at the physician's discretion.

3. Modifier 53 - Discontinued Procedure: Used when a procedure is terminated due to extenuating circumstances or those that threaten the well-being of the patient.

4. Modifier 59 - Distinct Procedural Service: Indicates that a procedure or service was distinct or independent from other services performed on the same day.

5. Modifier 62 - Two Surgeons: When two surgeons work together as primary surgeons performing distinct parts of a procedure.

6. Modifier 66 - Surgical Team: Used when a team of surgeons is required to perform a complex procedure.

7. Modifier 76 - Repeat Procedure by Same Physician: Indicates that a procedure or service was repeated by the same physician subsequent to the original procedure.

8. Modifier 77 - Repeat Procedure by Another Physician: Indicates that a procedure or service was repeated by another physician subsequent to the original procedure.

9. Modifier 78 - Unplanned Return to the Operating/Procedure Room by the Same Physician Following Initial Procedure for a Related Procedure During the Postoperative Period: Used when a related procedure is performed during the postoperative period of the initial procedure.

10. Modifier 79 - Unrelated Procedure or Service by the Same Physician During the Postoperative Period: Indicates that an unrelated procedure or service was performed by the same physician during the postoperative period.

11. Modifier 80 - Assistant Surgeon: Used when an assistant surgeon is required during the procedure.

12. Modifier 81 - Minimum Assistant Surgeon: Indicates that a minimum assistant surgeon is required during the procedure.

13. Modifier 82 - Assistant Surgeon (when qualified resident surgeon not available): Used when an assistant surgeon is required and a qualified resident surgeon is not available.

14. Modifier AS - Physician Assistant, Nurse Practitioner, or Clinical Nurse Specialist Services for Assistant at Surgery: Indicates that a non-physician provider assisted in the surgery.

Each of these modifiers serves a specific purpose and should be used appropriately to ensure accurate billing and reimbursement for the services provided.

CPT Code 43845 Medicare Reimbursement

CPT code 43845 is reimbursed by Medicare. This code is listed on the Medicare Physician Fee Schedule (MPFS) and is eligible for payment. However, coverage and reimbursement may vary depending on the specific Medicare Administrative Contractor (MAC) in your region. Providers should consult their local MAC for specific coverage guidelines and documentation requirements related to this procedure.

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