Understanding the Denial Process in Emergency Department and Inpatient Settings
Denials occur when a payer refuses to reimburse a hospital for services that were provided. In acute care settings, most denials arise from medical necessity, level of care determinations, or technical issues related to authorizations and documentation.
1. Where Denials Begin
In the Emergency Department (ED), denials often originate from decisions around whether a patient should be discharged, placed in observation, or admitted as inpatient. If the clinical documentation does not support the medical necessity of admission, payers may later deny or downgrade the claim.
2. The Admission and Level of Care Decision
Hospitals must assign the correct level of care at the point of admission. Payers review whether the documentation supports inpatient admission versus a lower-cost observation status. Errors at this stage, such as missing physician orders or insufficient evidence of severity, often result in medical necessity or level of care denials.
3. Concurrent Reviews During Hospitalization
Utilization Management (UM) staff send regular updates to payers to maintain authorization during a patient’s stay. If these reviews are missed or incomplete, payers can terminate authorization, resulting in denied days or reduced reimbursement.
4. Discharge and Claim Submission
Once the patient is discharged, the claim is submitted for payment. Payers re-evaluate the entire record to ensure the admission, continued stay, and discharge were justified. Any missing documentation, conflicting coding, or unsupported diagnoses can lead to retrospective denials.
5. Common Types of Denials in Acute Care
| Type | Description | Impact |
|---|---|---|
| Medical Necessity Denial | Payer determines that the admission or continued stay was not clinically justified. | Full or partial non-payment. |
| Level of Care Denial | Payer reclassifies inpatient stay to observation or lower level. | Reduced payment. |
| Technical/Administrative Denial | Late submission, missing authorization, or missing physician order. | Preventable, often recoverable. |
| Coding/Billing Denial | Documentation does not support billed diagnosis or DRG. | Requires correction or appeal. |
6. Financial Impact
Hospitals lose significant revenue from denials each year. The American Hospital Association reports that nearly 15% of hospital claims are initially denied, costing hospitals an estimated $19.7 billion annually in rework and lost reimbursement (AHA, 2024).
7. Preventing and Addressing Denials
Hospitals can mitigate denials by ensuring timely authorizations, real-time documentation review, and proper application of InterQual or MCG criteria. When denials do occur, they can be overturned through peer-to-peer reviews and formal appeals.
8. How bServed Helps
bServed’s 24/7 utilization management program embeds directly into the ED and inpatient workflow, addressing the root causes of denials in real time.
- Immediate Medical Necessity Reviews – Our nurse specialists perform real-time reviews during ED evaluation and at admission, using InterQual or MCG criteria to confirm inpatient or observation status before the order is placed.
- Concurrent Authorization Management – bServed secures payer authorizations at admission and maintains them throughout the stay.
- Physician Collaboration and Level-of-Care Validation – We communicate directly with treating physicians, giving clear, criteria-based guidance when inpatient or observation status is borderline.
- Denial Defense and Appeals – When denials occur, bServed coordinates peer-to-peer reviews through its physician advisors and prepares written appeals supported by clinical data and regulatory citations.
Where bServed Can Help Your Hospital
- In the Emergency Room
- Securing Authorizations
- Concurrent Reviews
- Level of Care Optimization
- Denials Prevention
- Appeals and Denial Recovery
Schedule a demo!