Billing and Coding: Duplex Scan of Lower Extremity Arteries

Coverage of duplex scan of lower extremity arteries is contingent on medical necessity per LCD L33667, with the ordering provider required to document signs, symptoms, relevant history, and the reason for the test. Extensive documentation standards apply: records must be legible, include patient identifiers and provider signature, support the chosen ICD-10-CM and CPT/HCPCS codes, contain test results and interpretations, and comply with CFR 42.410.32(a); repeat studies require documented medical necessity.

"Duplex scan of lower extremity arteries is covered when medically necessary per LCD L33667, with the ordering/referring provider documenting signs and symptoms, relevant history (including known di..."

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