Summary & Overview
CPT 81448: Hereditary Peripheral Neuropathy Genomic Sequence Analysis Panel
CPT code 81448 represents a genomic sequence analysis panel for hereditary peripheral neuropathies, including conditions such as Charcot-Marie-Tooth disease and spastic paraplegia. This code is significant nationally as it supports advanced molecular diagnostics by requiring sequencing of at least five relevant genes, facilitating precise identification of genetic causes for peripheral neuropathies. The procedure is classified under Genomic Sequencing Procedures and Other Molecular Multianalyte Assays and is typically performed in laboratory settings.
Major payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare. The publication provides insights into payer coverage, clinical context, and policy benchmarks for this code. Readers will learn about the clinical applications of 81448, payer policies, and relevant billing practices, including common modifiers and associated taxonomies. The summary also highlights related CPT codes and ICD-10 diagnoses that may be encountered in the context of hereditary neuropathy testing.
This article is designed to inform healthcare professionals, laboratory administrators, and policy analysts about the current landscape for 81448, including payer coverage and clinical relevance. It offers a comprehensive overview of the code’s role in genetic testing for peripheral neuropathies, supporting informed decision-making in laboratory medicine and molecular pathology.
CPT Code Overview
CPT code 81448 is used for genomic sequence analysis panels targeting hereditary peripheral neuropathies, such as Charcot-Marie-Tooth disease and spastic paraplegia. This procedure involves sequencing at least five genes associated with peripheral neuropathy, including BSCL2, GJB1, MFN2, MPZ, REEP1, SPAST, SPG11, and SPTLC1. The service type is Genomic Sequencing Procedures and Other Molecular Multianalyte Assays, and it is typically performed in a laboratory setting (Place of Service 81). This code enables comprehensive genetic testing to support diagnosis and management of inherited neuropathic conditions.
Clinical & Coding Specifications
Clinical Context
A patient presents with symptoms suggestive of hereditary peripheral neuropathy, such as progressive muscle weakness, sensory loss, or gait disturbances. The clinician suspects a genetic etiology, such as Charcot-Marie-Tooth disease or hereditary spastic paraplegia. After clinical evaluation and family history assessment, the provider orders a genomic sequence analysis panel to identify mutations in at least five peripheral neuropathy-related genes (e.g., BSCL2, GJB1, MFN2, MPZ, REEP1, SPAST, SPG11, SPTLC1). The specimen is sent to a laboratory (Place of Service 81) specializing in molecular genetic pathology. Results inform diagnosis, prognosis, and potential management strategies for the patient and family.
Coding Specifications
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Modifiers:
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26: Used when reporting only the professional component of the laboratory service, such as interpretation of results by a pathologist. - Modifier
TC: Used when reporting only the technical component, which includes specimen processing and sequencing.
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Provider Taxonomies:
Code Specialty Name