What is medical billing code 99203?

Medical billing code 99203 is part of the Current Procedural Terminology (CPT) codes used to bill for office or other outpatient visits. It specifically designates a new patient visit that requires a medically appropriate history and examination, typically involving a moderate level of complexity. This code is used when the visit involves a problem-focused or expanded problem-focused approach, often addressing conditions that require moderate medical decision-making.