This page is part of the US Drug Formulary (v2.0.0: STU 2) based on FHIR R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions
This code system http://hl7.org/fhir/us/davinci-drug-formulary/CodeSystem/usdf-DrugTierCS-TEMPORARY-TRIAL-USE defines the following codes:
Code
Display
Definition
generic
Generic
Commonly prescribed generic drugs that cost more than drugs in the ‘preferred generic’ tier.
preferred-generic
Preferred Generic
Commonly prescribed generic drugs.
non-preferred-generic
Non-preferred Generic
Generic drugs that cost more than drugs in ‘generic’ tier.
specialty
Specialty
Drugs used to treat complex conditions like cancer and multiple sclerosis. They can be generic or brand name, and are typically the most expensive drugs on the formulary.
brand
Brand
Brand name drugs that cost more than ‘preferred brand’ drugs.
preferred-brand
Preferred Brand
Brand name drugs
non-preferred-brand
Non-preferred Brand
Brand name drugs that cost more than ‘brand’ drugs.
zero-cost-share-preventative
Zero cost-share preventative
Preventive medications and products available at no cost.
medical-service
Medical Service
Drugs that must be administered by a clinician or in a facility and may be covered under a medical benefit.