Insurance coding and billing is complex, but it boils down to how to accurately apply a code, or CPT (current procedural terminology), to the service that you provided. The payer then reimburses the service at a certain rate. As a provider, you will have to understand what codes to use and what documentation is necessary to support coding.
Review evaluation and management (E/M) documentation for a patient and perform a crosswalk of codes from DSM-5-TR to ICD-10.