MACs Target Toxicology Labs for Audits
As part of a new 2023 directive, CMS is asking Medicare Administrative Contractors (MACs) to focus payment audits and claim reviews on providers and labs performing definitive drug testing. While CMS targets labs that have high denial rates or unusual billing practices, they can conduct an audit on any lab performing services under the following toxicology codes: G0480, G0481, G0482 and G0483.
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