The official 99204 CPT code description from the American Medical Association reads: Office or other outpatient visit for the evaluation and management of a new patient, which requires a medically appropriate history and/or examination and moderate level of medical decision making. What it is: CPT code 99204 is the billing code for new patient office or outpatient visits requiring moderate-complexity medical decision-making (MDM). When to use it: New patient (not seen by any provider in your practice within 3 years) + moderate MDM complexity + total encounter time 45–59 minutes The official 99204 CPT code description is: This code describes an office or outpatient appointment for a new patient that includes a medically appropriate history and/or physical exam, along with moderate-level medical decision-making. The Current Procedural Terminology (CPT ®) code 99204 as maintained by American Medical Association, is a medical procedural code under the range - New Patient. 99204 CPT code description according to the American Medical Association is: “Office or other outpatient visit for the evaluation and management of a new patient, which requires a medically appropriate history and/or examination and moderate level of medical decision making.” The official CPT code 99204 description from the AMA reads: “Office or other outpatient visit for the evaluation and management of a new patient, which requires a medically appropriate history and/or examination and moderate level of medical decision-making.” Office or other outpatient visit for the evaluation and management of a new patient, which requires a medically appropriate history and/or examination and moderate level of medical decision making. When using time for code selection, 45-59 minutes of total time is spent on the date of the encounter.