Table 1.

Example grouping of terms and codes

RxCUI	Source vocabulary	String
309304	RxNorm	Ciprofloxacin 2 mg/ml injectable solution
309304	SNOMED CT	Ciprofloxacin 100 mg/50 ml intravenous infusion
309304	MDDB	Ciprofloxacin IV Soln. 0.2%
309304	MTHSPL	Ciprofloxacin 400 mg in 200 ml intravenous injection