Codes that cannot be billed together due to their similar procedure are identified by which symbol?

The correct identification of codes that cannot be billed together due to their similar procedures is represented by the forbidden symbol. This symbol serves as an important visual cue in coding systems, specifically in the ICD-10-PCS code set, to alert coders that certain codes have a mutually exclusive relationship. This means that the use of one code will inherently prevent the use of another for the same service or procedure during the same encounter.

Understanding this symbol is crucial for ensuring compliance with billing guidelines, as it helps prevent coding errors that could lead to claim denials or audits. Recognizing and adhering to these restrictions maintains the integrity of the coding and billing processes, ensuring that healthcare providers are reimbursed appropriately for the services they provide.