Billing and Coding: MolDX: Molecular Testing for Identification and Management of Hereditary Transthyretin Amyloidosis

This billing/coding guidance requires submitting the appropriate CPT and ICD-10-CM codes, entering the DEX Z-Code adjacent to the CPT code in specified claim fields for Part A and Part B, and reporting one unit of service. Only one molecular test for hereditary transthyretin amyloidosis may be billed per patient, and specific formatting rules apply (e.g., no extra characters on SV101-7).

"Only one molecular test for hereditary transthyretin amyloidosis may be billed per patient."

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