HCPCS Level II code H2013 denotes a per diem psychiatric health facility service, covering daily facility-based psychiatric care for patients requiring structured treatment. This code matters nationally because it standardizes billing for inpatient and residential psychiatric stays that bundle room, board, and therapeutic services into a single daily rate, impacting access to behavioral health treatment and facility payment models.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find national benchmarks and context for use of H2013, updates on policy and coding considerations, and the clinical settings where the code applies. The publication outlines payer coverage patterns, documentation expectations, and typical service lines associated with per diem psychiatric facility billing.

The analysis provides clinicians, billing professionals, and policy stakeholders with an overview of where H2013 fits in the behavioral health billing landscape, how major payers approach per diem psychiatric facility services, and what clinical contexts commonly generate use of the code. Data not available in the input will be noted where applicable.