Billing and Coding: Non-invasive Extracranial Arterial Studies

Coverage for non-invasive extracranial arterial studies is limited to services that meet the clinical indications and limitations in LCD L33695 and all applicable CMS and Medicare medical necessity rules. Detailed documentation is required (legible records, provider signature, supporting ICD-10/CPT mapping, permanent study record, and a treating clinician's order per CFR 42 §410.32), and services not meeting these requirements are not covered and may be denied or require redetermination.

"Non-invasive extracranial arterial studies are covered only when the service meets all clinical indications and limitations specified in LCD L33695 and all applicable CMS national coverage determin..."

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