HomeSearch by AntimicrobialCefazolin (Ancef, Kefzol, Zolicef)
Microorganism MIC50sort
(μg/ml)
MIC90sort
(μg/ml)
Rangesort
(μg/ml)
Reference
Klebsiella pneumoniae - - 2.2 - ? 1447
Klebsiella spp. - - 1 - >128 1447
Leuconostoc spp. - - 16000 - ? 1096
Listeria monocytogenes - - 0.67 - ? 248
Morganella morganii (Hyperproducing amp(C)) - - >2048 - ? 652
Morganella morganii (Inducible amp(C)) - - >2048 - ? 652
Neisseria meningitidis 0.5 0.5 0.25 - 0.5 1438
Nocardia asteroides 100 - 12.5 - >=400 1404
Pandoraea apista - - 2 - >32 1459
Pandoraea genomo - - >32 - ? 1459
Pandoraea pnomenusa - - >32 - ? 1459
Pasteurella multocida - - <2 - ? 1092
Peptococcus asaccharolyticus (ATCC 29743) - - 0.5 - ? 1438
Peptococcus magnus - - 0.25 - ? 1438
Peptostreptococcus (penicillin-resistant) 0.03 8 ≤0.015 - 8 1396
Peptostreptococcus (penicillin-susceptible) 0.06 1 ≤0.015 - 2 1396
Porphyromonas (penicillin-susceptible) 0.25 2 ≤0.015 - 2 1396
Proteus mirabilis 8 16 4 - 32 1438
Proteus mirabilis - - 1 - 64 1447
Proteus mirabilis - - 2.5 - ? 1447
Proteus mirabilis - - 50 - ? 1438
Proteus mirabilis - - 97 - ? 1132
Proteus morganii - - 95.1 - ? 1447
Proteus rettgeri - - 38.6 - ? 1447
Proteus spp. (indole-positive) >128 >128 0.25 - >129 1438
Proteus spp. (indole-positive) - - 0.5 - >128 1447
Proteus vulgaris - - 44.2 - ? 1447
Proteus vulgaris - - 50 - ? 1438