Antimicrobial agent
|
Symbol
|
Disc content
|
Zone of inhibition in millimeters (mm) with its interpretation
|
---|
Susceptible
|
Intermediate
|
Resistant
|
---|
Ceftriaxone
|
CRO
|
30 μg
|
≥ 23
|
20–22
|
≤ 19
|
Streptomycin
|
S
|
10 μg
|
≥ 15
|
12–14
|
≤ 11
|
Tetracycline
|
TTC
|
30 μg
|
≥ 15
|
12–14
|
≤ 11
|
Gentamycin
|
GN
|
10 μg
|
≥ 15
|
13–14
|
≤ 12
|
Ciprofloxacilin
|
CIP
|
5 μg
|
≥ 21
|
16–20
|
≤ 15
|
Vancomycin
|
VA
|
30 μg
|
≥ 12
|
10–11
|
≤ 9
|
Chloramphenicol
|
C
|
30 μg
|
≥ 18
|
13–17
|
≤ 12
|
Ampicillin
|
AMP
|
10 μg
|
≥ 14
|
12–13
|
≤ 11
|
- Source: (CLSI (clinical and laboratory standards institute), 2012)