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In this section: Development Resources

Tobramycin – Injection products

Recognized Interpretive Criteria

FDA Identified Interpretive Criteria

	Minimum Inhibitory Concentrations (mcg/mL)			Disk Diffusion (zone diameter in mm)
Pathogen	S	I	R	S	I	R
Enterobacterales	≤ 4	8	≥ 16	≥ 15	13-14	≤ 12
Pseudomonas aeruginosa	≤ 4	8	≥ 16	≥ 15	13-14	≤ 12
Staphylococcus aureus	≤ 4	8	≥ 16	≥ 15	13-14	≤ 12

S = Susceptible; I = Intermediate; R = Resistant

Exceptions to the recognized standard of CLSI M100

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

Acinetobacter spp.

Other Non-Enterobacterales

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