Azithromycin - Oral, Injection products

Exceptions or additions to the recognized standards

	Minimum Inhibitory Concentrations (mcg/mL)			Disk Diffusion  (zone diameter in mm)b
Pathogen	S	I	R	S	I	R
Neisseria gonorrhoeae	-	≤1	≥2	-	≥ 27	≤ 26

Abbreviations: S = Susceptible; I = Intermediate; R = Resistant;
^b For disk diffusion, use paper disks impregnated with 15 mcg azithromycin.  

For the bacteria listed below, susceptibility test interpretive criteria are not recognized at this time:

Streptococcus spp. β-Hemolytic Group

Streptococcus spp. Viridans Group