These medical necessity criteria were developed by national imaging associates, inc (nia) for the purpose of making clinical review determinations for requests for therapies and diagnostic procedures. You have instant access to the imaging authorization and supporting information you need on this site Whether submitting imaging exam requests or checking the status. Nia’s clinical guidelines are on radmd.com* under online tools/clinical guidelines Nia’s guidelines for medical specialty solutions services were developed from practice experience, literature reviews, specialty criteria sets and empirical data.
Nia’s guidelines are reviewed yearly and modified when necessary following a literature search of pertinent and established clinical guidelines and accepted diagnostic imaging practices. How does the ordering provider obtain a prior authorization from nia for a medical specialty solutions outpatient service What information is required to receive prior authorization? Nia is committed to the philosophy of supporting safe and effective treatment for patients The medical necessity criteria that follow are guidelines for the provision of diagnostic imaging. Search for resources by solution below
Who can a provider contact at nia for more information You may contact your dedicated nia provider relations manager These medical necessity criteria were developed by evolent for the purpose of making clinical review determinations for requests for therapies and diagnostic procedures The developers of the criteria sets included representatives from the disciplines of radiology, internal medicine, nursing, cardiology, and other specialty groups Evolent’s guidelines are reviewed yearly and modified when. Clinical guidelines preview 2026 advanced imaging guidelines 2025 advanced imaging guidelines checklists advanced imaging checklist low dose chest ct history form tip.
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