CPT code 95803 designates actigraphy, a noninvasive, multi-day recording of gross motor activity used to assess patients’ rest–activity cycles and sleep–wake patterns. Actigraphy is commonly used in sleep medicine to evaluate insomnia, circadian rhythm disorders, and to monitor response to therapy. Nationally, the code matters because it captures a wearable-based diagnostic service that shifts some monitoring from in-lab polysomnography to ambulatory, longer-term assessment.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical intent and typical sites of service, payer coverage considerations, common modifiers, and related billing context. The publication summarizes typical use cases, coding fundamentals, and where actigraphy fits into the diagnostic pathway for sleep disorders. It also outlines what to expect in terms of documentation elements and service components relevant to reimbursement and claims processing.

This national-level summary is intended for clinicians, billing professionals, and policy analysts seeking a clear description of the service, payer landscape, and the administrative context for CPT code 95803 without state-specific variation.