Summary & Overview
CPT 81476: CYP2C9 Gene Analysis for Drug Metabolism
CPT code 81476 represents genetic testing for common variants in the CYP2C9 gene, which is essential for understanding individual drug metabolism. This test is increasingly relevant as precision medicine and pharmacogenomics become central to clinical care, helping providers tailor drug therapies to patient-specific genetic profiles. The code covers analysis of variants such as *2, *3, *5, and *6, which can impact the efficacy and safety of medications.
Blue Cross Blue Shield is a key payer included in this analysis. Readers will gain insight into payer coverage, clinical indications, and policy updates related to CPT 81476. The publication also provides context on typical laboratory settings, associated diagnoses, and related genetic testing codes. Benchmarks and billing considerations are discussed to inform stakeholders about current trends and requirements for this procedure.
This summary offers a comprehensive overview of the clinical and billing landscape for CPT 81476, equipping readers with the information needed to understand its role in medical genetics and pharmacogenomics.
CPT Code Overview
CPT 81476 is used to report genetic testing for the analysis of common variants in the CYP2C9 gene. This gene plays a critical role in drug metabolism, and testing can help identify how patients may respond to certain medications. The service type is genetic testing, typically performed in a laboratory setting (POS 81). This procedure is important for guiding personalized medicine and optimizing drug therapy based on individual genetic profiles.
Clinical & Coding Specifications
Clinical Context
A patient is referred for genetic testing to evaluate their CYP2C9 gene variants, which influence drug metabolism. This is commonly performed in a laboratory setting (POS 81) when a provider needs to assess the patient's genetic susceptibility to medication effects, such as anticoagulants or other drugs metabolized by CYP2C9. The workflow typically involves a physician or geneticist ordering the test, specimen collection, and laboratory analysis of common CYP2C9 variants (e.g., *2, *3, *5, *6). Results inform medication selection or dosing, especially for patients with conditions like hypertension or hyperlipidemia who may require long-term drug therapy.
Coding Specifications
-
Modifiers:
- Modifier
26: Used to indicate the professional component of the service, such as interpretation and reporting by a physician or geneticist. - Modifier
TC: Used to indicate the technical component, which covers the laboratory processing and analysis.
- Modifier
-
Provider Taxonomies:
| Taxonomy Code | Specialty Name |
|---|---|