Class of Trade (COT) categorises customers (e.g., hospital, retail pharmacy) and is critical for pricing, contracting and compliance. Misclassification can cause payment errors and regulatory issues. The industry lacks a standard COT schema, making assignments challenging. IQVIA advises best practices: use unique identifiers (DEA, HIN, 340B), align and audit identifiers in master data systems and consult multiple data sources (OneKey, NPI, AHD). Implementing master data governance with clear ownership and a comprehensive COT solution improves accuracy, compliance and operational efficiency.

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