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🏥 '''Utilisation review''' is a managed care process used within [[Definition:Health insurance | health insurance]] and [[Definition:Workers' compensation insurance | workers' compensation insurance]] to evaluate the medical necessity, appropriateness, and efficiency of healthcare services before, during, or after they are delivered to a claimant or [[Definition:Policyholder | policyholder]]. Insurers and [[Definition:Third-party administrator (TPA) | third-party administrators]] employ utilisation review to ensure that the treatments, procedures, hospitalizations, and rehabilitation services they are asked to fund align with evidence-based clinical guidelines and the terms of the insurance contract. The practice is deeply embedded in U.S. health insurance operations but also features — often under different names and regulatory frameworks — in private medical insurance markets across the United Kingdom, the Middle East, Southeast Asia, and other regions where insurers actively manage healthcare costs.

⚙️ Utilisation review typically operates across three stages: prospective, concurrent, and retrospective. Prospective review — commonly known as [[Definition:Prior authorization | prior authorization]] or pre-certification — requires a healthcare provider to obtain approval from the insurer before delivering a planned treatment or admitting a patient. Concurrent review occurs while care is being delivered, particularly during hospital stays, where clinical reviewers assess whether continued inpatient treatment remains medically necessary or whether the patient can be safely transitioned to a lower level of care. Retrospective review examines claims after services have been rendered, identifying cases where care may have been unnecessary, excessive, or inconsistent with the coverage terms. Clinical staff — typically nurses, and in contested cases physicians — apply standardized criteria such as InterQual or Milliman Care Guidelines to make these determinations. The outcomes feed directly into [[Definition:Claims adjudication | claims adjudication]] decisions and can result in approvals, modifications, or denials of coverage for specific services.

📊 From the insurer's perspective, utilisation review is one of the most powerful levers for controlling [[Definition:Loss ratio | medical loss ratios]] and maintaining the sustainability of health insurance products. By filtering out unnecessary or inappropriately costly treatments, it reduces the total [[Definition:Claims | claims]] expenditure without — when properly implemented — compromising patient outcomes. However, the practice is also one of the most contentious areas of insurance, attracting regulatory scrutiny and public criticism when review processes delay or deny care that patients and physicians consider essential. In the United States, state insurance departments and federal legislation such as the Affordable Care Act impose requirements on how utilisation review must be conducted, including mandatory timelines for decisions and access to independent [[Definition:External review | external review]] processes. Globally, as private health insurance penetration grows in markets like China, India, and the Gulf states, insurers are increasingly adopting utilisation review practices — often supported by [[Definition:Artificial intelligence (AI) | AI]]-driven clinical decision tools — to manage the cost pressures inherent in underwriting medical risk.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Health insurance]]
* [[Definition:Prior authorization]]
* [[Definition:Claims adjudication]]
* [[Definition:Third-party administrator (TPA)]]
* [[Definition:Loss ratio]]
* [[Definition:Managed care]]
{{Div col end}}

Definition:Utilisation review - Revision history

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