Patient Selection for Home INR Monitoring

Before implementing a Home INR Monitoring program, it is important to identify individuals who will be most suited for success. 

Characteristics of a suitable Home INR Monitoring candidate are:

Medical Condition:

Patients should be receiving chronic oral anticoagulation medication for one of the following conditions1:

  • Mechanical Heart Valve (MHV)
  • Atrial Fibrillation
  • Venous Thromboembolism or Deep Vein Thrombosis (DVT)
  • Pulmonary Embolism
  • Hypercoagulable state


Patients should be interested and excited to participate in home monitoring. A positive attitude leads to overall testing compliance and satisfaction.


Patients with busy work or travel schedules may be unreliable in attending lab appointments and home monitoring will allow them to become more consistent in testing.


Patients that require close monitoring due to unstable INR may experience more time in-range with the ability to test consistently with weekly testing at home.*


Patients should be highly reliable to follow doctor’s orders for testing frequency and results reporting.


Patients that are located in a remote area or that may be home-bound may have limited mobility to travel to a lab or office and home testing will allow them to experience greater convenience.

Difficulty with Venous Testing:

Patients who have trouble drawing a blood sample from a venous lab test may find more success with a fingerstick device.

Physically Capable:

Patients need to be capable of administering a fingerstick on their own or with caregiver assistance.

Caregiver Support:

A patient’s caregiver can be a valuable asset for your patients enrolled in Home INR Monitoring. Caregivers not only assist in the successful completion of the INR result, but also in communicating the test results.


Other factors to consider include insurance coverage for Home INR Monitoring:


Patients must be on warfarin therapy for 90 days prior to home testing and have a prequalifying condition.1

Privately Insured

Privately Insured
Many private insurance providers also routinely cover individuals for Home INR Monitoring.

Cash Pay

Cash Pay
If patients do not have insurance coverage, they may choose to participate in the program by purchasing an INR monitor and testing supplies.


* Medicare typically covers one test per week. Alere encourages physicians to prescribe a testing frequency that encourages patient safety, but they should be aware that patients may incur additional coasts when prescribed more than once per week.


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