---
title: Site of Care COPD | Improve Care Decisions | MediPines
description: Enhance COPD and outpatient respiratory healthcare with the AGM100, enabling rapid respiratory triage and informed care decisions without lab reliance, improving patient outcomes and reducing costs.
---
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COPD: Assess Gas Exchange Where Care Begins
# Assess respiratory impairment. Guide treatment. Confirm response.
Patients with COPD and worsening respiratory symptoms need timely decisions about treatment and the appropriate level of care. Symptoms, pulse oximetry, and routine vital signs may leave uncertainty about the extent of physiological impairment.
AGM100 provides a brief, noninvasive assessment of ventilation, blood oxygenation, and gas exchange efficiency in a single session. This objective information supports clinical decisions at the presenting site and across inpatient and outpatient care.
COPD at the site of care
## What AGM100 adds to the assessment
Ventilation
Assess carbon dioxide elimination to help evaluate ventilation adequacy.
Blood oxygenation
Evaluate oxygenation using gPaO₂ alongside SpO₂ and other respiratory parameters.
Gas exchange efficiency
Use Oxygen Deficit to assess how effectively oxygen moves from the lungs to the blood.
Together, these measurements provide a more complete physiological picture when respiratory symptoms have multiple contributing causes. Interpret results alongside the patient’s history, examination, and other indicated testing.
Outpatient respiratory care
## Assess, treat and confirm at the site of care
A repeatable assessment pathway helps clinicians determine the next step and evaluate whether treatment has improved respiratory status.
Assess
Measure respiratory impairment when a patient presents with shortness of breath or worsening COPD symptoms. Use the findings to support decisions about management at the presenting site or escalation for further evaluation.
Treat
Provide clinically appropriate treatment based on the full assessment. Gas exchange and ventilation information can help clarify physiological impairment when routine observations leave uncertainty.
Confirm
Repeat the assessment when clinically appropriate to evaluate treatment response. Persistent impairment or worsening status can inform further workup and escalation; improvement can support disposition planning alongside other clinical criteria.
Illustrative patient pathway
The following scenario illustrates workflow for 100 selected patients with respiratory symptoms and uncertainty about treatment or disposition. These numbers are assumptions, not observed study outcomes or a discharge prediction rule.
Presenting
100
Patients visiting with a respiratory condition, complaining of shortness of breath. Each patient is assessed using an AGM100.
↓
discharge with a care plan
40
No admission indicated after clinical assessment.
Treated at site of care
50
Treated at the presenting site and reassessed. 30 improve and are discharged; 20 require admission for further evaluation
↓
discharge with a care plan
30
No admission indicated after confirmed treatment
admitted
20
Do not respond to treatment and are admitted
Admitted
10
Admission indicated at initial evaluation; Gas exchange documented for care team.
**70**patients discharged and 30 admitted. Actual disposition depends on clinical findings and local protocols. The scenario does not quantify admissions avoided by AGM100.
> "We're measuring patients in the ER as a form of triage to determine what kind of care we're going to provide. So far it's been extremely successful. We're intervening much quicker to find out what's going on and then treating them."
Head of Respiratory Therapy · Milwaukee Area Hospital
Chronic disease & care gaps
## Continue COPD care across settings
During inpatient care
Repeat assessments when clinically appropriate to track physiological response and support treatment and discharge planning alongside the full clinical evaluation.
During outpatient follow up
Establish a respiratory baseline and compare subsequent assessments to help evaluate recovery or persistent impairment after treatment. Maintain continuity between hospital and outpatient teams.
A common set of physiological measurements can support communication across the COPD care pathway, from initial presentation through treatment and follow up.
## Clinical evidence supporting respiratory assessment
An NIH funded study published in the Journal of Clinical Medicine in 2025 evaluated emergency department patients at risk of respiratory deterioration. Oxygen Deficit predicted the need for supplemental oxygen with an AUROC of 0.937, approximately 0.94, and remained a significant predictor in multivariable analysis (p \< 0.001). Supplemental oxygen need within 24 hours served as the clinical proxy for deterioration.2
These findings support the relevance of objective gas exchange assessment in acute respiratory care. The study was not a COPD only trial and did not establish that AGM100 reduces admissions, readmissions, or total costs.
“Oxygen Deficit has high prognostic value with a fidelity that exceeds or matches the accuracy of the best predictive tools for respiratory failure in the published literature.”
— Authors who conducted acute patient study using AGM100 | NIH-Funded Study (2025) Conclusion
## Economic Impact
Respiratory system diseases carry a substantial economic burden, with 30-day readmission rates near 17% and average readmission costs of $16,400 (AHRQ, 2023).1 Earlier clarification of respiratory impairment and treatment response can support timely care at the presenting site and appropriate escalation when needed. The potential economic benefit comes from better use of clinical time, diagnostic resources, transfers, and inpatient care. AGM100 adds objective respiratory assessment as a potentially billable service under CPT 0893T, with a hospital outpatient payment pathway through APC 5734.
## Coding and reimbursement
CPT 0893T is the dedicated procedure code for noninvasive cardiorespiratory assessment using AGM100, with physician or other qualified health care professional interpretation and report.
outpatient Services
For 2026, CPT 0893T is assigned to APC 5734 under Medicare’s Hospital Outpatient Prospective Payment System. Revenue cycle teams should review applicable coverage, documentation, charge capture, and billing requirements for the intended setting.
tic tools.
inpatient services
AGM100 assessments can be recorded and charged within an inpatient admission using the hospital’s configured workflow. Medicare hospital inpatient reimbursement generally remains included within the existing DRG payment; recording a charge does not automatically create an additional payment.
Actual payment depends on the payer, care setting, applicable payment rules, and supporting documentation. Coordinate clinical implementation with the hospital’s coding and revenue cycle teams.
Built for distributed care
## Practical implementation
AGM100 is portable, requires no blood draw, and does not need an internet connection to perform an assessment or display results. Qualified staff can be trained to perform the assessment, with clinical interpretation by the appropriate care professional.
Implementation planning should address equipment readiness, breathing kits, staff training, clinical protocols, reporting, and ordering and charge capture configuration.
> "With AGM100 alone, I can manage her. I'm not depending on my clinical impression, I'm depending on objective science. I have tests to guide my clinical suspicion."
Ascension Affiliated Pulmonologist
## Supporting evidence and resources
\[1\] AHRQ respiratory readmission statistics: [https://www.ahrq.gov/](https://www.ahrq.gov/)
\[2\] NIH funded study: [https://doi.org/10.3390/jcm14165880](https://doi.org/10.3390/jcm14165880)
Clinical research: [https://medipines.com/clinical-research](https://medipines.com/clinical-research?hsLang=en)
Further reading: [Equipping Rural America with 21st Century COPD Care](https://medipines.com/hubfs/Equipping%20Rural%20America%20with%2021st%20Century%20COPD%20care.pdf?hsLang=en)
## Discuss your COPD program
Establishing or expanding an inpatient or outpatient COPD program? Contact MediPines to discuss AGM100 assessment, clinical workflow, staff training, and current coding information.
[Contact us to learn more](https://medipines.com/contact?hsLang=en)
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