How To Use CPT Code 0446T

CPT 0446T describes the creation of a subcutaneous pocket with the insertion of an implantable interstitial glucose sensor, including system activation and patient training. This article will cover the description, procedure, qualifying circumstances, appropriate usage, documentation requirements, billing guidelines, historical information, and examples.

1. What is CPT Code 0446T?

CPT 0446T can be used to describe the procedure in which a provider creates a pocket beneath the skin, typically in the upper arm, and inserts an interstitial glucose sensor. This code also includes the activation of the system and the training of the patient on how to use it effectively.

2. Official Description

The official description of CPT code 0446T is the creation of a subcutaneous pocket with the insertion of an implantable interstitial glucose sensor, including system activation and patient training. It is important to note that this code should not be reported in conjunction with codes 95251, 0447T, or 0448T.

3. Procedure

1. The provider begins by creating a small pocket beneath the patient’s skin, usually in the upper arm.
2. An interstitial glucose sensor is then inserted into the pocket.
3. The provider activates the system, ensuring that it is properly functioning.
4. The patient is trained on how to use the system effectively, including understanding how to interpret the glucose readings and take appropriate actions based on the results.

4. Qualifying circumstances

CPT 0446T is typically used for patients with diabetes who require continuous glucose monitoring. The procedure is performed by a healthcare provider in their office, and the patient may or may not be sedated during the process. It is important to note that this code should not be reported with codes 95251, 0447T, or 0448T.

5. When to use CPT code 0446T

CPT code 0446T should be used when a provider creates a subcutaneous pocket and inserts an implantable interstitial glucose sensor, activates the system, and provides patient training. It is important to ensure that the patient meets the qualifying circumstances and that the procedure is performed in the appropriate setting.

6. Documentation requirements

To support a claim for CPT code 0446T, the provider must document the following information:

• Patient’s diagnosis and the need for continuous glucose monitoring
• Details of the procedure, including the creation of the subcutaneous pocket and insertion of the sensor
• Date of the procedure and the time spent on system activation and patient training
• Training provided to the patient, including instructions on interpreting glucose readings and taking appropriate actions
• Signature of the provider performing the procedure

7. Billing guidelines

When billing for CPT code 0446T, ensure that the procedure meets the specific requirements outlined in the code description. It is important to note that this code should not be reported with codes 95251, 0447T, or 0448T. Additionally, there are specific codes available for the removal or replacement of the device, as well as for temporary use without an implantable sensor.

8. Historical information

CPT code 0446T was added to the Current Procedural Terminology system on January 1, 2017. There have been no updates or changes to the code since its addition.

9. Examples

1. A healthcare provider creates a subcutaneous pocket and inserts an interstitial glucose sensor for a patient with diabetes. The provider activates the system and trains the patient on how to interpret the glucose readings and take appropriate actions.
2. During the procedure, the provider inserts an implantable interstitial glucose sensor into a subcutaneous pocket in the upper arm of a patient with diabetes. The system is activated, and the patient is trained on how to effectively use the device for continuous glucose monitoring.
3. A provider performs the procedure of creating a subcutaneous pocket and inserting an interstitial glucose sensor for a patient with diabetes. The system is activated, and the patient receives training on interpreting the glucose readings and managing their condition accordingly.
4. For a patient with diabetes, a healthcare provider creates a subcutaneous pocket and inserts an implantable interstitial glucose sensor. The system is activated, and the patient is educated on how to use the device for continuous glucose monitoring.
5. A provider performs the procedure of creating a subcutaneous pocket and inserting an interstitial glucose sensor for a patient with diabetes. The system is activated, and the patient is trained on how to interpret the glucose readings and make appropriate adjustments to their diabetes management.