Glossary
Interactive Communication Requirement
The interactive communication requirement is a CMS rule under the Medicare Physician Fee Schedule that defines the content and structure of billable clinical engagement for Remote Patient Monitoring (CPT 99457/99458) and related programs — specifically, real-time two-way engagement between clinical staff and the patient or caregiver discussing physiologic data, symptoms, or the care plan.
Definition
The interactive communication requirement is a CMS rule under the Medicare Physician Fee Schedule that defines the content and structure of billable clinical engagement for Remote Patient Monitoring (CPT 99457/99458) and related programs — specifically, real-time two-way engagement between clinical staff and the patient or caregiver discussing physiologic data, symptoms, or the care plan.
The phrase appears in the CMS Medicare Physician Fee Schedule for CPT 99457/99458 (RPM) but describes a general interaction standard increasingly applied across Medicare remote-care codes. The definition is intentionally technology-agnostic — telephone, live video, live secure messaging all qualify if the exchange is real-time and clinically substantive.
Regulatory basis
The interactive communication requirement was established by CMS through the Medicare Physician Fee Schedule. The requirement distinguishes asynchronous data review — which is not billable under CPT 99457/99458 but is billable separately under CPT 99091 — from synchronous two-way exchange that discusses the patient’s data, symptoms, or care plan. This distinction is central to correct billing under the RPM code set and shapes how clinical workflows must be structured to support compliant documentation.
What counts as interactive communication
- Live telephone call with patient or authorized caregiver responding
- Live video visit (including telehealth platforms)
- Secure messaging with real-time two-way exchange
- AI-powered calls with structured clinical content and human escalation
- NOT counted alone: voicemail without response, one-way alerts/reminders, asynchronous email, asynchronous data review
Related terms
- Remote Patient Monitoring — the care model interactive communication underpins
- CPT 99457 — the first 20 minutes of interactive communication per month
- CPT 99458 — each additional 20 minutes of interactive communication
- Care coordination — the function interactive communication operationalizes
- Patient engagement — the broader engagement concept
How Positive Check relates
Positive Check’s daily wellness calls satisfy the interactive communication requirement by capturing real-time two-way patient responses about physiologic data, symptoms, and care-plan adherence, with human escalation for concerning responses. Learn more about the Positive Check RPM solution or read the cluster deep-dive on the interactive communication requirement for RPM.
Reviewed against current CMS guidance. Medicare Physician Fee Schedule. Last updated 2026-04-21.