AHFS Pharmacologic-Therapeutic Classification System
The AHFS Pharmacologic-Therapeutic Classification System, developed and maintained by ASHP, has been in use in hospitals and health-systems for over 60 years as a logical way to group drugs for easy comparison during P&T Committee meetings as well as aggregate reporting on drugs for utilization and billing. The internationally known and widely used classification is developed by a professional staff of pharmacists and clinicians, and engages the expertise of pharmacist specialists in the field.
The AHFS Pharmacologic-Therapeutic Classification System includes:
- Grouping of drugs with similar pharmacologic, therapeutic, and/or chemical characteristics in a 4-tier hierarchy
- Components that would normally fall outside the scope of AHFS Drug Information but need to be included as a placeholder for specific customers’ needs
This Classification is updated annually with the possibility of intermediate updates being published throughout the year and available:
- With optional companion mapping tables to the US National Drug Code (NDC) and RxNorm identifiers
- In delimited ASCII file format for easy import into a relational database
Remarks from an environmental scan of formulary structures and drug classification systems conducted by Booz Allen Hamilton revealing the widespread use of the AHFS classification system
a key reference and starting point for formulary development ... it's readily available and universally accepted by physicians.Booz Allen Hamilton
recognized standard for systemic classification of drugs that uses a coding system to organize drugsBooz Allen Hamilton
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