AMA CPT® Assistant - 2018 Issue 5 (May)
Hereditary Peripheral Neuropathy GSP (May 2018)
May 2018 page 6 Hereditary Peripheral Neuropathy GSP A new genomic sequencing procedure (GSP) code was established in the Current Procedural Terminology (CPT®) 2018 code set to describe hereditary peripheral neuropathy testing. Prior to 2018, this service was reported with multiple Tier 1 and Tier 2 codes for each gene tested (eg, 81325, 81403-81408), as well as code 81479 for the balance of any unlisted genes. Reporting multiple codes for a single laboratory procedure is burdensome for both health care professionals and third-party payers. Therefore, to streamline and clarify reporting for this specific test, the CPT Editorial Panel...
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Article Overview
This article covers a CPT® genomic sequencing procedure update for hereditary peripheral neuropathy testing and explains why a single panel-based code was introduced for this type of molecular laboratory service. It is relevant to medical coders, laboratory professionals, and payers who track CPT® changes, panel-based genetic testing, and reporting consistency for inherited neuromuscular conditions. The article also includes background on hereditary peripheral neuropathy testing, a clinical example, and a procedural description showing how the service is performed and documented at a high level.
Why This Topic Matters
Accurate reporting of hereditary neuropathy genetic testing depends on understanding how evolving CPT® terminology aligns with panel-based sequencing services. This article helps readers recognize the coding update and the broader laboratory and reimbursement context around it.
Article Sections
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Hereditary Peripheral Neuropathy GSP
Introduces the CPT® update for hereditary peripheral neuropathy molecular testing and explains the broader shift toward a panel-based genomic sequencing procedure. It also summarizes why the reporting approach changed for this service.
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Background
Provides clinical and technological context for inherited peripheral neuropathy testing, including the role of next-generation sequencing and the need for updated laboratory reporting. It also discusses the relationship between genetic heterogeneity and panel-based testing.
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Clinical Example (81448) / Description of Procedure (81448)
Presents a representative patient scenario and a high-level procedural overview associated with the genomic sequencing panel. The section shows the type of testing workflow and reporting environment addressed by the article.
What You Will Learn
- How the article frames a CPT® update for hereditary peripheral neuropathy testing
- The general shift from sequential gene screening to panel-based genomic sequencing
- The clinical and laboratory context surrounding inherited peripheral neuropathy genetic testing
- The type of procedural workflow described for the panel-based service
Who Should Read This
- Medical coders
- Laboratory billing staff
- Pathologists
- Molecular diagnostics professionals
- Payers and reimbursement staff
Codes Discussed
Code Ranges Discussed
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