What is office or outpatient consultation, high complexity (CPT 99245)?
CPT code 99245 is designated as an office or other outpatient consultation for a new or established patient, which requires a medically appropriate history and/or examination and a high level of medical decision-making.
Specialists typically use this code upon request of another provider for complex cases requiring detailed evaluation and treatment recommendations. Conditions often involve multiple comorbidities, uncertain diagnoses, or the need for extensive data review and care coordination. The consulting provider must document the request, perform the consultation, and communicate findings to the referring clinician.






