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Billing and Coding: Cardiac Event Detection
A56452
Effective: December 4, 2025
Updated: December 31, 2025
Policy Summary
This billing and coding guidance requires valid ICD-10-CM diagnosis codes and appropriate reporting of referring/ordering physician name and NPI; procedure codes may be subject to NCCI or OPPS edits. Use ABN-related modifiers (-GA, -GX, -GZ, -GY) per the anticipated reason for denial, follow ABN (Form CMS-R-131) and Part A occurrence code 32 requirements when applicable, and ensure medical records include assessment, history, test results, and signed dated documentation.
Coverage Criteria Preview
Key requirements from the full policy
"A claim submitted without a valid ICD-10-CM diagnosis code will be returned as an incomplete claim under Section 1833(e) of the Social Security Act."
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