Don't unbundle co-surgery procedures

Why This Topic Matters

Co-surgery claims can affect reimbursement, documentation requirements, and compliance exposure. Understanding the article helps readers spot when a surgical case may support co-surgery billing and when improper modifier use could create audit or fraud risk.

Article Sections

1. Co-surgery modifier basics and misuse concerns

   Introduces the co-surgery concept and explains the compliance concerns raised when procedure coding does not align across physicians. The section frames the article’s main billing and audit issue.

2. Example of how not to use a co-surgery modifier

   Presents a scenario involving different surgeons and separate procedure reporting. The discussion focuses on why the case is viewed as an improper use example and what it may signal to auditors.

3. Billing, payment, and documentation for co-surgery

   Summarizes general billing expectations, supporting documentation, and how payment is affected when co-surgery is appropriately reported. The section also references Medicare-related guidance and service counts.

4. When to use -62

   Uses a lumbar stenosis surgery scenario to illustrate a co-surgery situation involving multiple procedure codes and bundled services. The section also highlights the role of payer rules in determining whether co-surgery reporting is supported.

5. Limits on modifier use

   Notes that some codes do not support the co-surgery modifier even when two surgeons are present. The section references CPT guidance and restrictions on certain instrumentation codes.