What is medical code 99402?

Medical code 99402 refers to a specific billing code used in the Current Procedural Terminology (CPT) system, which denotes a preventive medicine counseling service. Specifically, it covers face-to-face counseling for patients regarding health behavior change, such as smoking cessation or diet and exercise, lasting between 30 to 60 minutes. This code is typically used when a healthcare provider offers guidance and support to help patients improve their overall health and prevent disease.