Remote patient monitoring COVID programs started as an emergency response in 2020. Six years later, the research gives a clearer picture of what worked. Remote patient monitoring (RPM) helped health systems follow COVID-19 patients at home, catch falling oxygen levels early, and reduce avoidable return trips to the emergency department.
That same model now supports a slower, longer problem. Long COVID still affects millions of adults in the United States, and its symptoms often rise and fall for months.
This article reviews the newest long COVID data from national surveys and the CDC. It revisits a large study on remote patient monitoring for COVID-19 after emergency department discharge. It also covers pulse oximeter accuracy, the 2026 Medicare codes for shorter monitoring periods, and practical steps for care teams building a program. For a wider view of current findings, see our roundup of new telemedicine studies.
What Is Long COVID?
Remote patient monitoring COVID programs now focus as much on long COVID as on acute infection. The CDC describes long COVID as a chronic condition that follows SARS-CoV-2 infection and lasts at least three months. It can affect one organ system or several.
Common symptoms include fatigue, shortness of breath, brain fog, heart palpitations, dizziness on standing, and sleep problems. Many patients also report post-exertional malaise. That means symptoms get worse after physical or mental effort, sometimes a day or two later.
There is still no single diagnostic test. Clinicians rely on history, symptoms, and the exclusion of other causes. Symptoms can also shift from one day to the next in the same patient.
Current evidence points to a few consistent patterns:
- Severe COVID-19 illness raises the risk of long COVID, though mild or asymptomatic cases can also lead to it.
- COVID-19 vaccination lowers the risk of developing long COVID in both children and adults.
- Each reinfection carries a new chance of post-COVID conditions.
- Long COVID can appear in people who never had a confirmed positive test.
- Researchers still do not fully understand why some people recover quickly while others do not.
Latest Long COVID Statistics
The most reliable national numbers come from the National Health Interview Survey (NHIS), run by the CDC’s National Center for Health Statistics. A 2024 research letter in JAMA Network Open analyzed the 2023 survey of 29,522 adults. Here is what it found, along with other recent data:
- 8.4% of U.S. adults reported they had ever had long COVID in 2023, up from 6.9% in 2022.
- 3.6% of adults had long COVID at the time of the survey, compared with 3.4% in 2022.
- 2.3% of adults had long COVID that limited their daily activities.
- Nearly two-thirds of adults with current long COVID said their symptoms reduced their ability to carry out daily activities.
- Rates were higher in nonmetropolitan areas. About 10% of rural adults reported ever having long COVID, which adds weight to rural health monitoring efforts.
- New cases are slowing. A later JAMA Network Open analysis of 2022 to 2024 NHIS data found long COVID prevalence among previously infected adults fell from about 20% to 14%. Recovery rates rose from 51% to 60% over the same period.
The trend is encouraging. Fewer people are developing long COVID, and more are recovering. Still, a steady share of adults live with symptoms that affect work, family life, and independence. The CDC expects to release updated state and demographic estimates later in 2026.
How Remote Patient Monitoring Supports COVID and Long COVID Care
Remote patient monitoring for COVID gives care teams a steady stream of objective data between visits. That matters for a condition where symptoms fluctuate and office visits capture only a single moment.
During an acute infection, the main goal is safety. Home readings help clinicians spot silent hypoxia, which is low blood oxygen without obvious shortness of breath. Early detection allows a timely call, a treatment change, or an in-person evaluation.
For long COVID, the goal shifts toward pattern recognition. Daily readings show how a patient responds to activity, rest, and treatment over weeks. They also give patients a clearer view of their own recovery.
What RPM Devices Can Track
Connected remote patient monitoring devices can capture several measures relevant to COVID and long COVID:
- Oxygen saturation (SpO2) from a pulse oximeter, the most important reading during acute infection
- Heart rate to identify tachycardia or unusual changes after exertion
- Blood pressure to help assess dizziness on standing and possible autonomic problems
- Temperature to follow fever patterns during early illness
- Weight for patients with cardiac or kidney complications
- Symptom check-ins on fatigue, breathlessness, and cognitive changes, gathered through care team calls or a patient app
Why Trends Matter More Than Single Readings
One reading rarely tells the full story. A slightly low oxygen value may reflect cold hands or poor sensor placement. A pattern of declining values over three days is different. It calls for attention.
Trend data also helps with pacing. Patients with post-exertional malaise can see how heart rate and symptoms respond to activity. Care teams can then guide them toward a sustainable activity level instead of a cycle of overexertion and crash.
Study on Remote Patient Monitoring for COVID-19 After ED Discharge
A large regional health system tested remote patient monitoring for COVID-19 patients discharged from nine emergency departments. The study covered December 2020 through August 2021.
More than 16,000 COVID-19 patients visited those emergency departments during the study period. Of the patients discharged home, 41% enrolled in the monitoring program. Each received a pulse oximeter and a thermometer. Patients used an app to report oxygen saturation, heart rate, temperature, and symptoms over 16 days.
Nearly 1,800 patients actively submitted health data. Engagement was higher among patients whose Bluetooth-enabled devices sent readings automatically than among those who entered numbers by hand.
The results were clear. Monitored patients had a 30-day emergency department return rate of 6.2%. Patients who were not monitored returned at a rate of 14.9%. Nearly half of the monitored patients who did return were admitted, which suggests the program flagged patients who truly needed hospital care.
The researchers concluded that large-scale remote monitoring after emergency department discharge was feasible and linked to fewer returns. They described it as a way to extend clinical care beyond the physical walls of the hospital.
What Broader Research Shows
Other large programs point in a similar direction. In November 2020, NHS England launched the COVID Oximetry @home program, which gave pulse oximeters to higher-risk patients diagnosed with COVID-19. A 2023 matched cohort study in the Emergency Medicine Journal found that, for patients assessed in emergency departments, pulse oximetry monitoring appeared to be a safe and clinically effective way to detect hypoxia early and escalate care.
A 2022 systematic review in The Lancet Digital Health reached a more measured conclusion. It found home pulse oximetry monitoring was safe, identified patients at risk of deterioration, and could save hospital resources. However, the authors could not find clear evidence that it improved outcomes compared with other monitoring approaches, such as virtual wards or symptom diaries.
Both findings are useful. Remote monitoring works best as part of a clinical workflow with clear thresholds and responsive staff. The device alone is not the intervention. The care team’s response to the data is.
Pulse Oximeter Accuracy and Equitable Monitoring
Pulse oximeters became household devices during the pandemic. That wider use also brought attention to their limits. Accuracy can be affected by poor circulation, cold skin, nail polish, artificial nails, and skin pigmentation.
On January 7, 2025, the FDA issued draft guidance on performance testing and labeling for medical-grade pulse oximeters. The recommendations call for larger and more diverse clinical studies across a range of skin tones.
For care teams, the practical steps are simple:
- Choose medical-grade devices rather than general wellness products.
- Teach patients proper finger placement and to rest for a moment before measuring.
- Review trends over time rather than acting on one value alone.
- Pair oxygen readings with symptoms such as breathlessness, confusion, or chest pain.
Short-Term Monitoring Under the 2026 Medicare Rules
Remote patient monitoring COVID programs often run for short windows. The study above used 16 days. Many post-discharge patients need less time than that.
The CY 2026 Medicare Physician Fee Schedule final rule added two new RPM codes that reflect this reality. CPT® 99445 covers device supply for 2 to 15 days of readings in a 30-day period. CPT® 99470 covers the first 10 minutes of treatment management time in a month and requires at least one real-time interactive communication with the patient or caregiver.
These codes sit alongside the existing codes 99453, 99454, 99457, and 99458. For patients, the practical effect is that clinicians can match the monitoring period to clinical need. A patient recovering from an acute infection no longer needs to stay on monitoring longer than necessary for the service to be recognized.
How to Build a Remote Patient Monitoring Program for COVID Recovery
Care teams starting or updating a program can follow a few core steps:
- Common groups include emergency department discharges, hospital discharges, higher-risk outpatients, and patients in long COVID clinics.
- The study above showed higher engagement with Bluetooth devices. Cellular devices remove the need for a smartphone or home internet.
- Agree in advance on oxygen, heart rate, and symptom triggers for a call or an in-person visit.
- Real-time conversations help patients report symptoms that devices cannot measure.
- Acute cases may need days. Long COVID patients may need months of lighter-touch monitoring.
- Look at engagement, escalations, and patient feedback, then refine thresholds and workflows.
Frequently Asked Questions About Remote Patient Monitoring COVID Care
This section answers common questions about remote patient monitoring COVID care. It covers what these programs involve, which readings matter most, device accuracy, monitoring length, and coverage.
1) What is remote patient monitoring for COVID-19?
Remote patient monitoring for COVID-19 uses connected devices to send readings such as oxygen saturation, heart rate, and temperature from a patient’s home to their care team. Clinicians review the data and respond when readings suggest the patient may be getting worse.
2) Can remote patient monitoring help patients with long COVID?
Yes. RPM can track heart rate, blood pressure, and oxygen levels over weeks or months. These trends help clinicians see how patients respond to activity and treatment, and they help patients pace their recovery.
3) Which vital signs matter most for COVID patients at home?
Oxygen saturation is the most important reading during acute infection because low levels can occur without obvious symptoms. Heart rate, temperature, and blood pressure add useful context, especially for patients with long COVID.
4) How accurate are home pulse oximeters?
Medical-grade pulse oximeters are generally reliable when used correctly. Readings can be affected by cold hands, poor circulation, nail polish, movement, and skin pigmentation. The FDA issued draft guidance in 2025 to improve accuracy across skin tones.
5) How long should COVID patients stay on remote monitoring?
It depends on the patient. Programs after emergency department discharge often run about two weeks. Patients with long COVID may benefit from longer monitoring at a lower frequency, based on their clinician’s plan.
6) Does Medicare cover remote patient monitoring for short monitoring periods?
Beginning in 2026, Medicare recognizes CPT® 99445 for 2 to 15 days of readings in a 30-day period. Coverage depends on medical necessity and payer rules. Commercial plans vary, so see our guide to remote patient monitoring private insurance coverage.
Understanding Remote Patient Monitoring COVID Care
Remote patient monitoring COVID programs proved their value during the pandemic by catching deterioration early and reducing emergency department returns. The research since then supports home pulse oximetry as a safe tool when it sits inside a clear clinical workflow. National data show long COVID is becoming less common and recovery is improving, yet millions of adults still live with symptoms. Remote monitoring gives those patients and their care teams consistent data to guide treatment, pacing, and follow-up. With accurate devices, clear thresholds, and new 2026 codes for shorter monitoring periods, care teams can match monitoring to each patient’s actual needs.
Tenovi provides cellular-connected remote patient monitoring and remote therapeutic monitoring infrastructure for RPM software companies, chronic care management companies, telehealth platforms, health systems, payers, and pharmacies. Our standalone cellular devices and Bluetooth devices connected through the Tenovi Cellular Gateway send readings automatically, with no smartphone or home internet required. Contact us for a free demo and consultation to see how Tenovi can support your remote monitoring program.
