Last updated: July 14, 2026
The 2026 Medicare Physician Fee Schedule introduced two new CPT codes that reshape how cardiology practices capture RPM revenue. Effective January 1, 2026, Medicare introduced 99445 to cover low-volume data transmission of 2 to 15 days in a 30-day period, replacing the prior all-or-nothing 16-day rule that caused widespread revenue leakage. New code 99470 covers 10 to 19 minutes of clinical staff time when at least one interactive communication occurs, filling a gap that previously left shorter management sessions unbillable.
A single Medicare patient fully enrolled in RPM can generate over $100 in monthly reimbursement. At that rate, a practice with 200 enrolled patients can capture over $240,000 in annual recurring revenue from RPM codes alone, revenue that often went unbilled under the old 16-day rule.
Capturing that revenue requires airtight documentation. The HHS OIG identified RPM as an area requiring enhanced oversight due to vulnerability to improper billing, fraud, waste, and abuse in its August 2025 report on Billing for Remote Patient Monitoring in Medicare. In a September 2024 OIG review, roughly 43% of enrollees did not receive all three required service components, which confirms that documentation gaps remain the primary audit trigger.
Eliminating those gaps requires automation that captures every billable event without relying on manual documentation. Rhythm360's automated CPT capture engine tracks data transmission days, logs interactive communication timestamps, and generates compliant documentation for every billable event, removing the manual processes that create both missed revenue and OIG exposure.
See how Rhythm360 automates 2026 CPT compliance for your cardiology practice.
CIED interrogation codes 93298 and 93299 represent some of the highest-value recurring billing opportunities in electrophysiology and some of the most frequently missed. Without automated systems, practices must manually review each transmission, determine billability, verify documentation requirements, and assign the correct code. That manual process leads to inconsistent coding and missed charges.
When a remote monitoring report is completed in a unified platform, the system can automatically identify whether it is billable, determine appropriate CPT codes, confirm documentation requirements, and generate the claim without separate administrative processes. Rhythm360 applies computer-vision normalization and AI-powered data extraction to every CIED transmission. The platform automatically maps device data to the correct interrogation code, attaches compliant clinical documentation, and flags any transmission that falls short of billing thresholds before a claim is submitted. The result is a greater than 95% claim acceptance rate for CIED monitoring codes.

The following table shows how Rhythm360's core capabilities translate into measurable revenue and workflow improvements across critical dimensions.
| Capability | Rhythm360 Performance | Revenue / Workflow Impact |
|---|---|---|
| Cardiology CPT automation (93298, 93299, 99453–99458, 99445, 99470) | AI-driven capture with compliant documentation generated per transmission | One cardiovascular group captured an additional $142,000 in fully compliant recurring annual revenue using updated 2026 short-period RPM codes with zero added administrative tasks |
| Vendor-neutral CIED integration (Medtronic, Boston Scientific, Abbott, Biotronik) | Single dashboard via redundant API, HL7, XML, and computer-vision PDF feeds; >99.9% transmissibility | University of Chicago Medicine reviewed more than 73,000 reports annually through Rhythm360, averaging more than 18,000 reports per quarter |
| Bi-directional EHR connectivity (Epic, Cerner, Athenahealth, eClinicalWorks, Greenway Health) | Real-time two-way sync via HL7 and FHIR; onboarding in days to weeks | Eliminates manual transcription, reduces claim lag, and ensures billing systems reflect current clinical data |
| Denial-management outcomes | Automated threshold monitoring, consent tracking, and pre-submission documentation checks | AI-driven revenue cycle platforms for chronic care programs can deliver 60–70% reductions in claim denials through automated verification of time thresholds and documentation compliance |
| Quantified revenue and clinical impact | Up to 300% revenue increase; 80% reduction in critical-alert response times | Practices recover previously lost revenue while shifting from reactive to proactive patient management |
Fragmented remote monitoring data in cardiology forces clinical teams to review information across multiple disconnected systems and rely on manual interpretation, adding complexity rather than reducing it. The proliferation of third-party vendors for Holter monitors, MCTs, loop recorders, and FDA-approved wearables requires each new data input to have its own login and workflow, which exacerbates system fragmentation across cardiology service lines. The only practical way to remove that fragmentation is a vendor-neutral platform that ingests data from all major OEMs in one place.
Rhythm360 delivers that vendor-neutral layer through a single AI-powered dashboard that ingests data from Medtronic, Boston Scientific, Abbott, Biotronik, and other OEMs simultaneously. Redundant data feeds act as a fail-safe when any OEM server experiences downtime, and computer-vision normalization parses unstructured PDFs alongside structured API and HL7 streams, achieving the same >99.9% transmissibility mentioned earlier across the entire device population.
University of Chicago Medicine's implementation of Rhythm360 enabled clinicians to review more transmissions daily and identify more abnormalities, with one physician noting: "We have improved billing and accountability for our patients after the integration." The UCM team also highlighted: "That was a big piece for us, to have an integrated review of data from trained personnel."
Effective denial prevention starts with clear visibility into the documentation failures that trigger rejections for cardiology RPM and CIED claims. Rhythm360's automated workflows address each of the following denial categories before a claim is submitted.
Physicians' time is too valuable to manually process every transmission, and critical alerts rarely align with office hours. Rhythm360's HIPAA-compliant mobile application allows electrophysiologists, cardiologists, NPs, and PAs to review transmissions, sign reports, and coordinate care from their smartphones at any time.
When Rhythm360 flags a critical arrhythmia on a weekend morning, the on-call clinician receives a prioritized notification, reviews the transmission on their phone, and can initiate anticoagulation protocols or device reprogramming the same day. That 80% reduction in critical-alert response times translates directly into prevented strokes, avoided hospitalizations, and documented clinical outcomes that support program justification.
See Rhythm360's mobile triage workflow in action.
Rhythm360 functions as a progressive platform, so practices capture immediate value from automated CPT billing and then expand into higher-acuity programs without switching vendors or rebuilding workflows. The value ladder moves through four stages, and each stage builds on the previous one as practices gain confidence and broaden their monitoring programs.
Rhythm360's onboarding process, including EHR integration setup, typically takes from a few days to a few weeks depending on the complexity of the practice's existing systems. The implementation team handles EHR configuration, OEM portal connections, and staff training, so clinical workflows are not disrupted during the transition. Practices with straightforward single-EHR environments often go live faster than those managing multiple facility integrations.
Rhythm360 uses a SaaS-based pricing model that scales based on clinic size and platform usage. There are no prohibitive upfront setup fees. Pricing adjusts as a practice grows its enrolled patient population or adds service lines such as HF or HTN RPM, which keeps the platform accessible for solo electrophysiology practices and large integrated health systems alike. Specific pricing details are available during a demo consultation.
Rhythm360's coding engine is updated to reflect CMS Physician Fee Schedule changes, OIG guidance, and payer-specific billing rules on an ongoing basis. The 2026 additions of CPT 99445 and 99470, the revised 99454 16-day rule, and the new documentation requirements for interactive communication are all incorporated into the platform's automated workflows. Practices do not need to manually reconfigure billing rules when CMS updates take effect, because the platform manages compliance infrastructure so clinical staff can focus on patient care.
Rhythm360 offers deep, bi-directional integrations with Epic, Cerner, Athenahealth, eClinicalWorks, Greenway Health, and other EHR systems via HL7 and FHIR standards. Data flows in both directions, so device transmissions, clinical documentation, and billing events push into the EHR, while patient demographics, active conditions, and encounter data pull back into Rhythm360. This removes manual transcription, keeps billing systems aligned with current clinical context, and supports compliant documentation without duplicate data entry.
Cardiology practices managing patients across multiple OEM device ecosystems face a compounding problem. Every additional portal login, manual data transfer, and undocumented transmission represents both a clinical risk and a billing loss. Organizations that invest in unified infrastructure now are positioned to realize gains that fragmented programs cannot.
Rhythm360 delivers a vendor-neutral, AI-powered platform that consolidates CIED data from all major OEMs, automates CPT capture for the updated 2026 code set, integrates bi-directionally with leading EHRs, and provides HIPAA-compliant mobile access for on-call review. The outcomes are documented, including an 80% reduction in critical-alert response times, up to 300% revenue increase, the >99.9% transmissibility referenced earlier, and the scalability demonstrated at University of Chicago Medicine.
See how Rhythm360 eliminates revenue leakage and administrative overload in your cardiology practice.


