Penicillin – Injection products

Recognized Interpretive Criteria

	Minimum Inhibitory Concentrations (mcg/mL)			Disk Diffusion (zone diameter in mm)
Pathogen	S	I	R	S	I	R
Staphylococcus spp.	M100 standard is recognized
Enterococcus spp.	M100 standard is recognized
Streptococcus pneumoniae (meningitis)	M100 standard is recognized			-	-	-
Streptococcus pneumoniae (non-meningitis)	M100 standard is recognized			-	-	-
Streptococcus spp. β- Hemolytic Group	M100 standard is recognized
Streptococcus spp. Viridans group	M100 standard is recognized			-	-	-
Neisseria gonorrhoeae	M100 standard is recognized
Neisseria meningitidis	M100 standard is recognized			-	-	-
Bacillus anthracis	M45 standard is recognized			-	-	-
Listeria monocytogenes	M45 standard is recognized			-	-	-
Anaerobes	M100 standard is recognized			-	-	-

S = Susceptible; I = Intermediate; R = Resistant