Summary & Overview
HCPCS Level II A4670: Automatic Blood Pressure Monitor
HCPCS Level II code A4670 denotes an automatic blood pressure monitor, a common form of durable medical equipment used for outpatient and home cardiovascular monitoring. Nationally, these devices support hypertension management, chronic disease monitoring, and remote patient self-measurement, making the code widely relevant to ambulatory care, primary care practices, and home health programs.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what the code represents, payer coverage patterns, and typical billing considerations. The publication summarizes payment benchmarks where available, common clinical contexts for use, and policy or documentation expectations that affect coverage and claims processing.
This analysis is designed to help billing managers, practice administrators, and policy analysts understand how A4670 is used in clinical workflows, where it is most commonly billed (outpatient and home settings), and what to expect from major national payers. Data not available in the input is noted where applicable.
Billing Code Overview
HCPCS Level II code A4670 describes an automatic blood pressure monitor. This device is intended for noninvasive measurement of blood pressure using an automated cuff and digital readout. The service type is durable medical equipment (DME) and the typical site of service is outpatient or home use, where patients or caregivers operate the device for ongoing blood pressure monitoring.
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Clinical & Coding Specifications
Clinical Context
A typical patient is a 62-year-old with hypertension and a history of poorly controlled blood pressure who visits a primary care clinic for home blood pressure monitoring initiation. The clinician documents the need for an automated upper-arm home blood pressure monitor to enable remote blood pressure measurement, titration of antihypertensive therapy, and measurement for telehealth visits. The workflow includes clinical assessment and indication documentation, selection of a validated automatic blood pressure monitor (A4670), measurement training by clinical staff (device fit, cuff placement, frequency and timing of readings), documentation of device serial number and patient consent, and billing the durable medical equipment code A4670 for supply of the automatic blood pressure monitor. Typical sites of service are outpatient physician offices, clinics, family medicine practices, cardiology clinics, and home health settings where the monitor is delivered and patient education is provided.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier | Default reporting when no modifier applies |