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CPT 93788: Ambulatory Blood Pressure Monitoring, 24-Hour
CPT code 93788 covers ambulatory blood pressure monitoring (ABPM) where a patient wears an automated device that records blood pressure at intervals over approximately 24 hours, with the provider downloading and interpreting the recorded data. Nationally, ABPM is an important diagnostic tool for diagnosing masked or white-coat hypertension, assessing blood pressure variability, and guiding antihypertensive management, making this code relevant to primary care, cardiology, and hypertension management programs. Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.
Readers will learn what CPT code 93788 represents clinically and operationally, how it is typically delivered in outpatient and ambulatory settings, and which major national payers cover the service. The publication provides benchmarks for utilization and reimbursement trends where available, summarizes common billing considerations, and outlines clinical contexts in which ABPM is used. It also highlights administrative aspects important for billing and documentation. Data not available in the input is noted where applicable.
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Billing Code Overview
CPT code 93788 describes the prescription and interpretation of ambulatory blood pressure monitoring (ABPM). The service involves a patient wearing an automated device continuously that records blood pressure measurements at set intervals over a typical 24-hour period. The ordering provider scans or downloads the collected data and reports the interpreted findings.
Service type: Diagnostic monitoring / ambulatory physiologic monitoring
Typical site of service: Outpatient clinic or ambulatory setting, with the monitoring performed while the patient goes about normal daily activities and sleep, and device data processed in the clinic or office after wear time.