99457 CPT Code is used for Remote Patient Monitoring (RPM) treatment management services during a calendar month. It covers the clinical work involved in managing a patient’s care based on data collected through a qualifying remote monitoring device.
For physicians, healthcare providers, medical coders, and billing teams, understanding the current requirements for this code is important for accurate reporting and reimbursement. Small errors in time tracking, documentation, or patient communication can create claim problems.
Medicare spent approximately $536 million on RPM services, showing why accurate billing and oversight remain important.
This guide explains the cpt 99457 description, current billing requirements, documentation rules, reimbursement factors, historical RVU information, and common claim issues.
CPT 99457 Description
99457 CPT Code is used for Remote Patient Monitoring (RPM) care. The 99457 cpt code description centers on the management of a patient’s care using data collected through a qualifying RPM system.
The health data comes from approved medical devices that track things like blood pressure, blood sugar, weight, or oxygen levels. To bill this code, the provider must spend the required time on care management and have one real-time discussion with the patient during the month.
The care team can use this information to identify changes, support treatment decisions, and communicate with the patient when required.
Unlike a code that only covers device supply or data transmission, 99457 focuses on treatment management work performed during the month.
Key Points
- Used to bill for Remote Patient Monitoring care each month.
- Helps track patient health without an office visit.
- Used by doctors and other qualified healthcare providers.
- Covers time spent managing and reviewing patient health data.
- Needs at least one real-time talk with the patient.
- Must meet the required monthly time before billing.
- Helps improve patient care and supports proper payment.
99457 CPT Description
The 99457 CPT description is for Remote Patient Monitoring (RPM) care given over one month. This code pays for the time a care provider spends checking a patient’s health data, making a care plan, and talking with the patient.
The health data must come from an approved device, such as one that checks blood pressure, blood sugar, weight, or oxygen level. To bill this code, there must be at least one live phone or video call with the patient. This code helps give safe follow-up care while the patient stays at home.
For billing purposes, the important point is that the service represents treatment management work, not simply the collection of remote patient data. The documentation should connect the work performed to the patient’s RPM care.
What Does It Cover?
- Checks health data sent from an approved medical device.
- Helps guide care based on the patient’s health.
- Covers work done to manage the patient’s care plan.
Live Talk Rule
- Needs one live phone or video call each month.
- Texts and emails do not count as a live talk.
Time Rule
- Must meet the set care time for the month.
- Keep a clear record of all time spent.
Record Rule
- Save notes for all care and live talks.
- Keep full records before you send the claim.
The record should make it clear that these activities were part of the patient’s RPM treatment management. Generic notes that only state “RPM reviewed” may not provide enough detail to support the reported service.
When Can You Bill CPT 99457?
You can bill CPT 99457 when all billing rules are followed in the same month. The patient must be part of a Remote Patient Monitoring (RPM) plan, and the health data must come from an approved device.
The care team must complete the required treatment management work within the applicable calendar month. Simply having an active RPM device or receiving patient data does not by itself establish that 99457 can be reported.
If one key step is left out, the claim may not be paid.
What Must You Keep?
Keep clear notes for all care provided within that month. Save the time spent on each task, the dates of care, and the live call with the patient. Accurate and complete notes help prove the work was done and help support the claim if it is checked.
At least one live phone or video call must take place each month. The call must be part of the care plan and help the patient with care. Texts, emails, and voice mail do not meet this rule.
When Can You Send the Claim?
Send the claim only after all billing rules are met. Make sure the care time, live talk, and all notes are on file. A full and clear record can help lower the risk of claim denial.
Before submission, review the patient’s eligibility, qualifying RPM service, treatment management time, communication, and supporting documentation.
A final claim review can help identify missing information before the claim reaches the payer.
99457 Billing Guidelines
The 99457 billing guidelines help make sure a claim is sent the right way. You must meet all care, time, and note rules in the same month.
Because Medicare and commercial payer policies can differ, a billing team should not rely on an old checklist without checking the current payer guidance.
Monthly Billing Rule
This code can be billed once for each month when all rules are met. The care must take place in the same bill time, and all work must be done by the end of that month. Do not send the claim if one rule is left out.
The documented work and time must support the service reported for that patient and billing period.
Note Checklist
Keep full notes for all care work done. Save the time log, health data, care plan, and the date of the live call. Good notes show what care was done and help back up the claim if it is seen or checked at a late date.
A simple internal checklist can help billing staff catch missing documentation before claim submission instead of finding the problem after a denial.
Mistakes to Avoid
Keep full notes for all care work done. Save the time log, health data, care plan, and the date of the live call. Good notes show what care was done and help back up the claim if it is seen or checked at a late date.
Another issue is using vague documentation that does not clearly support the treatment management work. Missing or weak communication records can also create problems.
A claim may not be paid if the time rule is not met, the notes are not full, or the care work does not match the bill. Check each step with care so the claim is right the first time.
Reviewing the claim against current CPT and payer guidance before submission can reduce avoidable billing errors.
99457 CPT Code Reimbursement
A claim may not be paid if the time rule is not met, the notes are not full, or the care work does not match the bill. Check each step with care so the claim is right the first time.
A claim may not be paid if the time rule is not met, the notes are not full, or the care work does not match the bill. Check each step with care so the claim is right the first time.
| Billing Factor | Why It Matters |
| Payer | Medicare and commercial plans may apply different billing and reimbursement rules. |
| Year | Payment amounts and policies may change annually. |
| Documentation | Records must support the service reported. |
| Time | The applicable monthly treatment management time must be met. |
| Communication | Required interactive communication should be documented. |
| Claim Accuracy | Missing or incorrect information can lead to claim delays or denials. |
For current reimbursement, billing teams should check the applicable 2026 Medicare fee schedule or the contracted commercial payer rate rather than relying on historical figures.
Historical RVU Information for CPT 99457
Historical RVU data can be useful when reviewing older Medicare valuation records or comparing past fee schedules. It should not be treated as the current 2026 reimbursement amount.
Older research may include the phrase cpt 99457 work rvu 2017 when referring to historical valuation information.
Likewise, cpt 99457 work rvu 2018 and cpt 99457 2018 work rvu may appear in older RVU or fee-schedule research. These terms describe historical data and should be separated from current 2026 payment information.
If you are researching an older claim, archived fee schedule, or historical reimbursement analysis, verify the RVU value against the CMS documentation for that specific year.
Who Can Report CPT Code 99457?
CPT Code 99457 can be reported by a doctor or by a care team that works under the doctor’s care. This may be a
- Nurse
- Nurse practitioner,
- Physician assistant,
- Other qualified care staff
who can help with Remote Patient Monitoring (RPM) care.
The work may be done by the care team, but the care must meet all bill rules. The team must check the health data, help with the care plan, keep a full time log, and make sure there is at least one live phone or video talk with the patient each month.
All care must be kept in clear notes that show what work was done and how much time was spent. Good team work, full notes, and the right care plan help make sure the claim is sent the right way.
If the care is done by staff, they must work as part of the same care team and follow all bill and care rules. A full and clear care record can help lower the risk of claim loss and help the care team get paid for the work they have done.
Can You Bill 99454 and 99457 Together?
Yes, Can You Bill 99454 and 99457 Together is a common ask from health care teams that use Remote Patient Monitoring (RPM). The short reply is yes, but each code must meet its own CMS rules. 99454 is for the use and send of RPM gear and data, while 99457 is for the first 20 min of care work, data review, and talk with the patient in a month.
Both codes may be billed for the same month if all plan rules are met. The RPM gear must send data for the time set by CMS, and the care team must keep full chart notes for all work done.
Because these codes represent different components of RPM, the documentation should support each service separately and should not report the same work twice.
Before billing both codes, confirm the current Medicare or commercial payer requirements, including device, data transmission, time, and documentation rules that apply to the services.
Common Mistakes to Avoid When Using 99457 CPT Code
Small slip-ups can lead to a lost claim or slow payments. When you use 99457 CPT Code, make sure each bill rule is met. The care team must keep full notes, record all care time, and have one live call with the patient. A comprehensive check of each step can help stop bill loss and keep the claim on track.
Missing Required Communication
The record should identify the communication and show that it met the applicable requirement. Do not assume that every phone, text, or electronic message automatically qualifies.
Poor Time Logs
Avoid estimating time from memory at the end of the month. Recording activities as they occur makes the final claim review easier and gives the billing team better supporting evidence.
Weak Care Notes
Notes should describe the work performed instead of using short entries that provide little information about the service.
Using Outdated Billing Information
RPM rules, payment amounts, and payer policies can change. A workflow created for an older year may not match current 2026 requirements.
Submitting the Claim Too Soon
A final review should confirm that the required time, communication, treatment management work, and documentation are present before submission.
99457 CPT Code vs 99458
CPT 99457 and 99458 are both related to RPM treatment management, but they apply to different time blocks.
| Point | 99457 CPT Code | 99458 |
| Main Use | Used for the first block of care time each month. | Used for each extra block of care time after the first. |
| Care Time | Covers the first 20 min of care time. | Covers each add-on 20 min of care time. |
| Bill Type | Main billing code. | Add-on code only. |
| Can It Be Used Alone? | Yes. | No. It must be billed with 99457 CPT Code. |
| When to Use | Use when the first care time rule is met. | Use when more care time is spent after the first block. |
| Can Both Be Billed? | Yes, if all bill rules and time rules are met. | Yes, but only with 99457 CPT Code. |
The key difference is that 99457 represents the initial treatment management time, while 99458 is used for additional qualifying time after the applicable base service requirements are met.
Billing teams should verify the current CPT and payer rules when determining whether 99458 can be added to a claim.
Conclusion
Understanding 99457 CPT Code requires more than knowing the 20-minute time threshold. Providers and billing teams also need to verify qualifying RPM services, treatment management activities, interactive communication, documentation, and current payer rules.
Before submitting a claim, compare your documentation and billing workflow with the current Medicare or payer requirements for the year of service. This helps keep reimbursement records accurate and gives your team stronger support if a claim is reviewed.
At MediRemote, we support healthcare teams with RPM billing, coding, documentation, and claim processes so providers can spend more time focused on patient care.
Need help reviewing your RPM billing workflow? Contact Medi Remote to discuss your RPM billing and documentation needs.
Frequently Asked Questions
1. What is the 99457 CPT Code used for?
99457 CPT Code is used for qualifying Remote Patient Monitoring treatment management services during a calendar month. It includes the applicable time and communication requirements.
2. Who can bill 99457 CPT Code?
The code describes RPM treatment management work performed during the month, including qualifying clinical management activities and required patient communication.
3. Can 99457 and 99458 be billed on the same claim?
Yes. 99458 is an add-on code for additional qualifying treatment management time when the applicable requirements are met.
4. Is a live phone or video call required for 99457?
Yes. CPT 99457 includes an interactive communication requirement. The communication must meet the applicable CPT and payer rules.
5. What can cause a 99457 claim to be denied?
Common claim problems include missing required time, incomplete documentation, unsupported communication records, and failure to meet current RPM billing requirements.
6. What is the 99457 CPT code description?
The code describes RPM treatment management work performed during the month, including qualifying clinical management activities and required patient communication.
