CPT code 99091 describes clinician time spent interpreting patient-generated physiologic data transmitted in digital form, requiring at least 30 minutes of provider time within a 30‑day period. This code captures remote data review and clinical interpretation of items such as ECG recordings, home blood pressure logs, and glucose monitoring results. Nationally, the code represents an administrative mechanism for documenting and billing provider cognitive work related to growing use of home monitoring and remote patient management.

Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of what the code represents, how it maps to service and site-of-service expectations, and what to expect when reviewing payer coverage and utilization benchmarks. The publication also summarizes common billing practices, typical documentation elements tied to the 30‑minute requirement, and policy updates affecting remote physiologic data interpretation. Where payer-specific policies are available, coverage nuances and billing constraints are highlighted. Data not available in the input are noted as such in relevant sections.