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In this section: Development Resources

Oxacillin – Injection Products

Recognized Interpretive Criteria

	Minimum Inhibitory Concentrations (mcg/mL)			Disk Diffusion^a (zone diameter in mm)
Pathogen	S	I	R	S	I	R
Staphylococcus aureus complex	M100 standard is recognized			-	-	-
Staphylococcus lugdunensis	M100 standard is recognized			-	-	-
Staphylococcus epidermidis Staphylococcus pseudintermedius Staphylococcus schleiferi	M100 standard is recognized
Other Staphylococci spp.	M100 standard is recognized			-	-	-

^a1 mcg oxacillin disk
*See Cefoxitin STIC for Staphylococcus spp. as a surrogate test

S = Susceptible; I = Intermediate; R = Resistant

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