| mycoplasma pneumoniae [m pneumoniae] as the cause of diseases classified elsewhere | B96.0 |
| klebsiella pneumoniae [k pneumoniae] as the cause of diseases classified elsewhere | B96.1 |
| unspecified escherichia coli [e coli] as the cause of diseases classified elsewhere | B96.20 |
| shiga toxin-producing escherichia coli [e coli] (stec) o as the cause of diseases classified elsewhere | B96.21 |
| other specified shiga toxin-producing escherichia coli [e coli] (stec) as the cause of diseases classified elsewhere | B96.22 |
| unspecified shiga toxin-producing escherichia coli [e coli] (stec) as the cause of diseases classified elsewhere | B96.23 |
| other escherichia coli [e coli] as the cause of diseases classified elsewhere | B96.29 |
| hemophilus influenzae [h influenzae] as the cause of diseases classified elsewhere | B96.3 |
| proteus (mirabilis) (morganii) as the cause of diseases classified elsewhere | B96.4 |
| pseudomonas (aeruginosa) (mallei) (pseudomallei) as the cause of diseases classified elsewhere | B96.5 |
| bacteroides fragilis [b fragilis] as the cause of diseases classified elsewhere | B96.6 |
| clostridium perfringens [c perfringens] as the cause of diseases classified elsewhere | B96.7 |
| helicobacter pylori [h pylori] as the cause of diseases classified elsewhere | B96.81 |
| vibrio vulnificus as the cause of diseases classified elsewhere | B96.82 |
| other specified bacterial agents as the cause of diseases classified elsewhere | B96.89 |
| viral agents as the cause of diseases classified elsewhere | B97 |
| adenovirus as the cause of diseases classified elsewhere | B97.0 |
| unspecified enterovirus as the cause of diseases classified elsewhere | B97.10 |
| coxsackievirus as the cause of diseases classified elsewhere | B97.11 |
| echovirus as the cause of diseases classified elsewhere | B97.12 |
| other enterovirus as the cause of diseases classified elsewhere | B97.19 |
| sars-associated coronavirus as the cause of diseases classified elsewhere | B97.21 |
| other coronavirus as the cause of diseases classified elsewhere | B97.29 |
| unspecified retrovirus as the cause of diseases classified elsewhere | B97.30 |
| lentivirus as the cause of diseases classified elsewhere | B97.31 |
| oncovirus as the cause of diseases classified elsewhere | B97.32 |
| human t-cell lymphotrophic virus, type i [htlv-i] as the cause of diseases classified elsewhere | B97.33 |
| human t-cell lymphotrophic virus, type ii [htlv-ii] as the cause of diseases classified elsewhere | B97.34 |
| human immunodeficiency virus, type [hiv ] as the cause of diseases classified elsewhere | B97.35 |
| other retrovirus as the cause of diseases classified elsewhere | B97.39 |
| respiratory syncytial virus as the cause of diseases classified elsewhere | B97.4 |
| reovirus as the cause of diseases classified elsewhere | B97.5 |
| parvovirus as the cause of diseases classified elsewhere | B97.6 |
| papillomavirus as the cause of diseases classified elsewhere | B97.7 |
| human metapneumovirus as the cause of diseases classified elsewhere | B97.81 |
| other viral agents as the cause of diseases classified elsewhere | B97.89 |
| other infectious diseases | B99 -B99 |
| other and unspecified infectious diseases | B99 |
| other infectious disease | B99.8 |
| unspecified infectious disease | B99.9 |
| coccidiosis | 1.8.4.1 |
| pythiosis | 16.14.6.1 |
| tick bite paralysis | 17.11.8.1 |
| neosporosis | 17.11.8.1 |
| lung fluke | 18.2.5.1 |
| feline infectious peritonitis | 21.3.21 |
| kidney worm | A06.10 |
| urinary capillariasis | A06.82.1 |
| pearsonema | A06.82.2 |
| urinary capillariasis | A06.82.3 |
| pearsonema | A06.82.4 |
| urinary capillariasis | A06.82.5 |
| pearsonema | A06.82.6 |
| coccidiosis | A07.3.1 |
| infectious canine tracheobronchitis | A37.8 |
| colibacillosis | A41.5 |
| lyme disease | A69.20.1 |
| salmon poisoning | A79.89.1 |
| pseudorabies | B00.89.1 |
| canine distemper | B05.10 |
| feline infectious peritonitis | B34.2.1 |
| keratinophilic mycosis | B35.8.1 |
| encephalitozoonosis | B48.8.1 |
| american trypanosomiasis | B57.6 |
| cytauxzoonosis | B60.8.1 |
| cestodiasis | B68.2 |
| cestodiasis | B71.1.1 |
| heartworm disease | B74.8.1 |
| ascariasis | B83.0.1 |
| canine lungworm | B83.10 |
| canine tracheal worm | B83.11 |
| feline lungworm | B83.12 |
| ascariasis | B83.8.1 |
| cuterebriasis | B87.10 |
| demodicosis | B88.0.1 |
| spirocerca lupi | B88.0.2 |
| liver fluke | B88.8.1 |
| cheyletiellosis | B88.8.2 |
| ear mites | B88.8.3 |
| nasal capillariasis | B88.9.1 |
| respiratory capillariasis | B88.9.2 |
| tyzzer's disease | B96.9 |