Table 3.

Semantic Normal Form for Clinical Formulations

Code	Name	Components	Orderable Dose Form
12345	Acetaminophen 325MG/Codeine 30MG	11111/22222	oral capsule

Tables adopted from RxNorm web page: http://umlsinfo.nlm.nih.gov/RxNorm.html [accessed 27 June 2003]