Billing and Coding: Implantable Continuous Glucose Monitors (I-CGM)

This policy provides coding guidance for implantable continuous glucose monitors (I-CGM): use CPT/HCPCS 0446T for insertion/activation/training of 90-, 180- or 365-day implantable sensors, 0447T for removal, and 0448T for removal with immediate insertion at a different site. Coverage is contingent on meeting the criteria in LCD L38743; all medical records must be maintained, legible, include patient identification and provider signature, and support the selected ICD-10-CM and CPT/HCPCS codes; non-covered services must not be billed without the appropriate modifier.

"Implantation of an implantable continuous glucose monitor (I-CGM) is covered when the patient meets the coverage criteria specified in LCD L38743; insertion of a 90-, 180- or 365-day implantable in..."

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