What is the appropriate CPT code to report the next generation sequencing (NGS) and analysis of data described in the following scenario? A patient sample has been extracted and prepared for exome sequencing through a next-generation sequencer that will produce genetic data for over 3,000 targeted clinical genes. The output is analyzed for NGS artifacts (false positives), coverage (accuracy), and sensitivity (false negatives). A clinical test is ordered for a subset of 300 genes within the total of 3,000 genes, in which the Guanidinoacetate N-Methyltransferase (GAMT) gene, a gene not listed in the Molecular Pathology Table, with 5 exons (NM_001258332) is included. Each of the variants found in the GAMT gene, as well as in the other 299 genes, is analyzed in a curation procedure to call each variants pathogenicity. ...
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Article Overview
This article addresses CPT coding for a next-generation sequencing laboratory scenario that includes sequencing preparation, data analysis, and variant curation across a large gene set. It is intended for medical coders, billers, laboratory compliance staff, and other professionals who need to understand how the service is characterized for CPT reporting and when supporting documentation is discussed. The guidance focuses on identifying the appropriate code-reporting approach for a complex molecular pathology service rather than listing a standard gene-specific code.
Why This Topic Matters
NGS-based laboratory tests often span many genes and may not map neatly to a single listed CPT code. Understanding how this type of service is discussed helps coding staff recognize when an unlisted molecular pathology code is referenced and what accompanying documentation is mentioned in the article.
What You Will Learn
- How the article frames CPT reporting for a complex NGS laboratory service
- How the article describes the relationship between listed molecular pathology services and an unlisted code approach
- What type of supporting documentation is discussed for reporting an unlisted laboratory procedure
- How multi-gene sequencing and variant analysis are characterized at a high level
Who Should Read This
- Medical coders
- Medical billers
- Molecular pathology laboratory staff
- Compliance staff
- Revenue cycle professionals
Codes Discussed
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