RPM Billing Guide: CPT Codes, Reimbursement Rates, and Documentation Requirements (2025–2026)
Last updated: April 2026
The definitive independent reference for RPM billing compliance — covering CPT 99453 through 99470, 2025 Medicare rates, the January 2026 code changes, documentation requirements, and the billing errors that trigger OIG audit selection.
Quick Reference: RPM CPT Codes at a Glance
| CPT Code | Description | Billing Frequency | 2025 Medicare Rate | Status |
|---|---|---|---|---|
| 99453 | Initial device setup and patient education | One-time per device | $19.73 | Active |
| 99454 | Device supply, daily recording, 16–30 days/month | Monthly | $43.02 | Active — mutually exclusive with 99445 |
| 99445 | Device supply, daily recording, 2–15 days/month | Monthly | See 2026 MPFS | NEW — effective January 1, 2026 |
| 99457 | Treatment management, first 20 min/month; requires real-time interactive communication | Monthly | $47.87 | Active — mutually exclusive with 99470 |
| 99458 | Treatment management, each additional 20 min/month (add-on to 99457) | Monthly, per increment | See CMS fee schedule | Active add-on |
| 99470 | Treatment management, first 10 min/month; requires real-time interactive communication | Monthly | See 2026 MPFS | NEW — effective January 1, 2026 |
| 99091 | Collection and interpretation of physiologic data by physician or QHP | Per episode | See CMS fee schedule | Active — less commonly used in current practice |
Source: CMS Telehealth and Remote Monitoring MLN, December 2025 (OIG OEI-02-23-00261 for enforcement context). 2026 rates for 99445 and 99470 are established in the 2026 MPFS Final Rule and vary by locality. Always verify current rates against the CMS Physician Fee Schedule lookup tool for your geographic area.
CPT 99453 — Initial Setup and Patient Education
What It Covers
CPT 99453 reimburses the one-time setup of a qualifying RPM device and the initial education provided to the patient on how to use the equipment. This code is billed once per patient per qualifying device — it is not a monthly recurring code.
Documentation Requirements
- Date of device setup and deployment to patient
- Confirmation that the device meets FDA medical device criteria (device name, FDA clearance number or SaMD classification)
- Documentation that patient education on device use was provided and patient demonstrated understanding
- Patient consent documented prior to device deployment (consent is a prerequisite, not part of the 99453 service itself)
- Identity verification of patient at time of device distribution
Common Billing Errors
- Re-billing 99453 for the same patient on the same device type. It is a one-time code. Some practices mistakenly bill it monthly when a patient requires a replacement device — this is incorrect billing.
- Billing 99453 for a device that does not meet FDA medical device standards. Consumer wellness devices, consumer-grade fitness trackers, and apps without FDA clearance do not qualify regardless of the data they collect.
- Missing device FDA clearance documentation in the medical record. If the OIG requests records, the practice must produce documentation of the device's FDA status — not just the device name.
CPT 99454 and CPT 99445 — Device Supply and Daily Recording
The Critical 2026 Change: The Compliance Cliff Is Fixed
Before January 1, 2026, CPT 99454 required 16 or more days of data transmission in a 30-day period. A patient who transmitted data on only 14 or 15 days generated zero device supply reimbursement for that month — even though the practice had supplied and maintained the device for the full month. This "compliance cliff" created pressure to round up transmission days, which the OIG's automated billing analysis identified as a misrepresentation risk.
CPT 99445 (effective January 1, 2026) directly addresses this by creating a billable tier for 2 to 15 transmission days. The two codes are now mutually exclusive: bill 99454 if the patient transmitted 16-30 days; bill 99445 if the patient transmitted 2-15 days; bill neither if the patient transmitted 0-1 days.
Documentation Requirements for 99454 and 99445
- Transmission day count for the billing period — must be retrievable from the device platform or EHR and match the billed code's day range
- Device supply confirmation — that the device was actively deployed to the patient during the billing period
- Data transmission records — logs showing dates and times of successful data transmission from the device
- Confirmation that data was automatically transmitted (not manually entered) — manual patient entry does not qualify as transmission for billing purposes
The Manual Entry Trap
One of the most prevalent compliance errors IHS identifies is practices counting manual patient data entry as qualifying RPM transmission. A patient who opens an app and types in their blood pressure reading has not generated qualifying RPM data — regardless of what the app displays or what the RPM vendor's platform records. Qualifying transmission requires an FDA-cleared device that automatically sends data without patient intervention. This distinction matters for both 99454 and 99445 billing.
CPT 99457, 99458, and CPT 99470 — Treatment Management
The 20-Minute Rule for CPT 99457
CPT 99457 requires a minimum of 20 minutes of treatment management services per calendar month. The 20 minutes must include at least one real-time interactive communication with the patient or caregiver. Time accumulates across multiple interactions during the month — it does not need to occur in a single session.
"Real-time interactive" means synchronous communication: telephone calls or video visits. Asynchronous communications — secure messages, portal messages, text messages, or automated alerts — do not count toward the 20-minute threshold even if clinical staff spends time reviewing them.
Documentation Requirements for 99457 (the OIG's Primary Audit Target)
CPT 99457 documentation is the most commonly deficient in RPM audits. Each treatment management interaction must document:
- Start time and stop time — exact minutes, not just total duration
- Interaction modality — telephone or video (distinguishes from non-qualifying asynchronous communication)
- Who participated — patient, caregiver, or both; name of clinical staff conducting the interaction
- Clinical content — what biometric data was reviewed, what clinical discussion occurred, any care plan adjustments
- Month-to-date accumulated time — to verify the 20-minute threshold is met before billing
CPT 99470 — The New Short-Interaction Code
CPT 99470 (new in 2026) covers the first 10 minutes of treatment management per calendar month with the same real-time interactive communication requirement as 99457. It is mutually exclusive with 99457 — practices bill either 99470 (for months where clinical management time is 10-19 minutes) or 99457 (for months where management time reaches 20+ minutes).
Practices that have been forgoing treatment management billing for months where patient interactions naturally fell under 20 minutes now have a legitimate billing pathway. Correctly implementing 99470 in the EHR billing workflow requires defining per-patient monthly time thresholds and auto-routing to the correct code based on documented accumulated time.
CPT 99458 — Add-On for Extended Management
CPT 99458 is billed in addition to 99457 for each additional 20-minute increment of treatment management beyond the first 20 minutes in a calendar month. It requires the same interaction documentation as 99457 — each additional increment must have documented start/stop times and modality, not just a total time entry.
CPT 99091 — Physiologic Data Collection and Interpretation
When CPT 99091 Applies
CPT 99091 covers the collection and interpretation of physiologic data that requires a minimum of 30 minutes of physician or qualified healthcare professional (QHP) time per episode. Unlike 99457 (which can be performed by clinical staff under supervision), 99091 must be performed by the ordering physician or QHP personally.
In current RPM practice, 99091 is less commonly used than the 99457/99470 treatment management codes because it requires physician-level time. It is most applicable when complex physiologic data requires physician interpretation before clinical action — such as reviewing an extended cardiac monitoring record or complex multi-parameter trending analysis. Many practices use 99091 as an alternative to 99457 when the physician personally reviews and acts on the data, but billing staff must ensure the mutual exclusivity rules are followed — 99091 cannot be billed in the same month as 99457 for the same patient.
Mutual Exclusivity Rules: What Cannot Be Billed Together
Understanding mutual exclusivity is critical for avoiding CPT coding errors. The following pairs cannot be billed for the same patient in the same calendar month:
| Code A | Cannot be billed with | Reason |
|---|---|---|
| CPT 99454 (16-30 day device supply) | CPT 99445 (2-15 day device supply) | Only one device supply tier per patient per month |
| CPT 99457 (first 20 min treatment management) | CPT 99470 (first 10 min treatment management) | Only one base treatment management code per month; 99457 supersedes 99470 when 20 minutes is reached |
| CPT 99457 | CPT 99091 | Both cover treatment management/data interpretation; cannot double-bill for the same patient interaction |
| CPT 99457 or 99470 (RPM treatment management) | CPT 99490 (CCM) — only if time overlaps | Time cannot be double-counted; concurrent billing is permitted only when time is genuinely separate and documented separately |
Documentation Requirements Summary
A compliant RPM billing record requires the following documentation elements. Missing any one of these generates audit risk across the associated claims:
Patient Consent
- Signed/documented consent obtained before device deployment
- Covers: service description, data use, patient rights, costs
- In medical record and retrievable on audit
Prior Medical Relationship
- Documentation of clinical encounter(s) with billing provider predating RPM enrollment
- Active medication management or chronic disease management history acceptable
- Telephone triage alone is insufficient
Device Qualification
- FDA clearance number or SaMD classification on file
- Device name and model documented in record
- Auto-transmission capability confirmed (not manual-entry device)
Transmission Records (99454/99445)
- Platform log showing dates of successful data transmission
- Day count matching billed code tier (2-15 for 99445; 16-30 for 99454)
- Confirmation of automatic (not manual) transmission
Treatment Management Time (99457/99470)
- Start time and stop time per interaction (not just total)
- Modality documented (phone or video)
- Participants identified (patient, caregiver, staff member)
- Clinical content documented
- Monthly accumulated time verified before billing
Escalation Protocols
- Written protocol on file defining abnormal value thresholds by device type
- Required response time and action steps documented
- Individual patient escalation events documented when triggered
The 8 Most Common RPM Billing Errors
These are the billing errors IHS identifies most frequently in RPM program audits, drawn from OIG enforcement findings and CMS guidance. Each represents a distinct False Claims Act exposure if systematic across a practice's billing.
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Billing CPT 99454 for patients who transmitted fewer than 16 days (post-January 2026)
The correct code for 2-15 transmission days is now CPT 99445. Continuing to bill 99454 when transmission records show fewer than 16 days is a CPT coding error on every affected claim. IHS consistently finds this error in practices that have not updated their EHR billing logic since the January 1, 2026 code effective date.
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Logging total interaction time without per-interaction start/stop times for CPT 99457
The single most common documentation deficiency in RPM audits. A monthly summary of "20 minutes patient communication" does not satisfy audit scrutiny — the record must show that at least one interaction was real-time and synchronous, which requires start/stop times and modality documentation per interaction.
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Counting manual patient data entry as qualifying RPM data
Patients who type readings into an app are not generating qualifying physiologic data for 99454 or 99445 billing. Only FDA-cleared devices with automatic electronic data transmission qualify. Practices using consumer wellness apps or hybrid devices where patients manually log data alongside automated readings must segregate the qualifying data before counting transmission days.
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Obtaining patient consent after device deployment
Consent must precede device deployment. Practices that enroll patients and deploy devices through a vendor outreach program, then obtain consent retroactively, have a sequencing deficiency that renders the affected claims unbillable and may constitute billing for services rendered without proper authorization.
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Missing FDA device clearance documentation
The medical record must contain documentation that the device meets FDA medical device standards. Device name alone is insufficient — the record should include the FDA clearance number, 510(k) number, or SaMD classification. Consumer devices used without FDA clearance documentation create a device qualification deficiency across all associated billing.
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Billing RPM treatment management without a prior medical relationship
CMS requires an established medical relationship between the billing provider and the patient prior to RPM enrollment. Mass-enrollment programs that sign up patients from outreach lists without verifying prior clinical history generate the "lack of prior relationship" risk pattern that the OIG identified in 45 practices — the pattern most closely associated with the first FCA settlement.
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Concurrent device billing for multiple device types in the same month
Billing separate device supply codes (99454 or 99445) for multiple monitoring device types for the same patient in the same 30-day period is an OIG audit warning flag. Only one device supply code is billable per patient per month regardless of how many device types are deployed.
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Double-counting time between RPM and CCM billing
When a practice bills both RPM treatment management (99457/99470) and Chronic Care Management (99490) for the same patient in the same month, the time documented for each service must be genuinely distinct and separately documented. Using the same 20-minute patient interaction to satisfy both the RPM treatment management threshold and the CCM care coordination threshold is a false claim.
2026 CPT Transition Checklist
If your practice has not completed these steps, you are generating billing errors on current 2026 claims:
- EHR billing trigger updated to evaluate monthly transmission day count and auto-route to 99445 (2-15 days) or 99454 (16-30 days) — not defaulting all patients to 99454
- EHR billing trigger updated for 99470 vs. 99457 mutual exclusivity — auto-routing patients with documented treatment management time under 20 minutes to 99470 rather than forgoing billing
- Billing staff trained on the new codes, their requirements, and the mutual exclusivity rules
- Retroactive review completed for all 2026 claims filed to date — identifying any 99454 claims where transmission records showed fewer than 16 days
- Voluntary disclosure assessment completed (with healthcare counsel) if retroactive review found systematic 99454 overcoding in the post-January 2026 period
- Monthly billing supervisor review process in place to catch coding errors before claim submission
Billing FAQ
What is CPT 99453 and when is it billed?
CPT 99453 covers the initial setup and patient education on RPM device use. It is billed once per patient per device — not monthly. The 2025 Medicare rate is $19.73. Documentation must show: date of setup, FDA clearance of the device, patient education provided, and consent obtained prior to setup. It cannot be re-billed when a patient requires a device replacement.
What is the difference between CPT 99454 and the new CPT 99445?
CPT 99454 (2025 rate: $43.02/month) covers 16 to 30 transmission days per month. CPT 99445 (new January 1, 2026) covers 2 to 15 transmission days per month. They are mutually exclusive — only one can be billed per patient per month. The code choice is determined by actual transmission day count from device logs, not by clinical judgment.
What is the difference between CPT 99457 and the new CPT 99470?
CPT 99457 (2025 rate: $47.87/month) covers the first 20 minutes of treatment management per month. CPT 99470 (new January 1, 2026) covers the first 10 minutes. They are mutually exclusive. Bill 99470 for months where documented treatment time is 10-19 minutes; bill 99457 for months where time reaches 20+ minutes. Both require at least one real-time interactive communication (phone or video).
What are the most common RPM billing errors that trigger OIG audits?
In order of frequency found in IHS gap assessments: (1) incomplete time documentation for CPT 99457 — no start/stop times per interaction; (2) billing CPT 99454 post-January 2026 for patients who transmitted fewer than 16 days; (3) manual patient data entry counted as qualifying transmission; (4) consent obtained after device deployment; (5) missing FDA device clearance documentation. See the full list of 8 common errors above.
A Note on Billing Rates
Medicare reimbursement rates for RPM CPT codes are updated annually through the CMS Physician Fee Schedule and vary by geographic practice cost index (GPCI) locality. The rates cited in this guide are national average non-facility rates from the CMS Telehealth and Remote Monitoring MLN (December 2025). Your actual reimbursement will differ based on your locality adjustment.
For current rates specific to your practice location, use the CMS Physician Fee Schedule lookup tool. IHS does not guarantee the accuracy of rates published here beyond their cited source date and recommends verifying against the current fee schedule before making billing decisions.
Is Your Billing Logic Current for 2026?
The 2026 CPT code changes (99445 and 99470) require active EHR workflow updates. Practices that have not implemented these changes are generating coding errors on current claims. IHS conducts targeted billing logic reviews as a standalone service — or as part of a full RPM gap assessment.