Enterobacteriaceae (coliforms) Drug Details Zone diameter (mm) Comment Code µg S I R Plate 1 Ampicillin AMP 10 14-16 ≥17 ≤13 Cefpodoxime* CPD 10 18-20 Do not report ≥21 ≤17 Ciprofloxacin CIP 5 16-20 ≥21 ≤15 Gentamicin CN 10 13-14 ≥15 ≤12 Co-trimoxazole SXT 25 11-15 ≥16 ≤10 Imipenem IPM 10 20-22 ≥23 ≤19 2 Set up on all isolates Drug Details Zone diameter (mm) Comment Code µg S I R Co-amoxiclav AMC 30 14-17 ≥18 ≤13 Ceftazidime* CAZ 30 18-20 Do not report ≥21 ≤17 Ceftriaxone* CRO 30 20-22 ≥23 ≤19 Chloramphenicol C 30 13-17 Do not report if ≥18 ≤12 Nitrofurantoin F 300 15-16 ≥17 ≤14 *Do ESBL tests on the following organisms: E. coli and Klebsiella spp. that have cefpodoxime 17 mm OR ≤ ceftriaxone zones 25 mm OR ≤
Enterobacteriaceae (coliforms) Drug Details Zone diameter (mm) Comment Code µg S I R Plate 1 Ampicillin AMP 10 ≥17 14-16 ≤13 Cefpodoxime* CPD 10 ≥21 18-20 ≤17 Do not report Ciprofloxacin CIP 5 ≥21 16-20 ≤15 Gentamicin CN 10 ≥15 13-14 ≤12 Co-trimoxazole SXT 25 ≥16 11-15 ≤10 Imipenem IPM 10 ≥23 20-22 ≤19 2 Set up on all isolates Drug Details Zone diameter (mm) Comment Code µg S I R Co-amoxiclav AMC 30 ≥18 14-17 ≤13 Ceftazidime* CAZ 30 ≥21 18-20 ≤17 Do not report Ceftriaxone* CRO 30 ≥23 20-22 ≤19 Chloramphenicol C 30 ≥18 13-17 ≤12 Do not report if Nitrofurantoin F 300 ≥17 15-16 ≤14 *Do ESBL tests on the following organisms: E. coli and Klebsiella spp. that have cefpodoxime ≤ 17 mm OR ceftriaxone zones ≤ 25 mm OR
Antimicrobial_Sensitivity_Disk_Difussion.docx