| tick bite paralysis | 17.11.8.1 |
| tetanus neonatorum | A33 |
| tetanus neonatorum | A33 |
| tanapox virus disease | B08.71 |
| taeniasis, unspecified | B68.9 |
| taeniasis | B68 |
| taenia solium taeniasis | B68.0 |
| taenia saginata taeniasis | B68.1 |
| tabes dorsalis | A52.11 |
| systemic bartonellosis | A44.0 |
| syphilitic saddle nose | A50.57 |
| syphilitic endocarditis | A52.03 |
| syphilitic cerebral arteritis | A52.04 |
| syphilitic aortitis | A52.02 |
| syphilitic aneurysm of aorta | A52.01 |
| syphilitic alopecia | A51.32 |
| syphilis, unspecified | A53.9 |
| syphilis of other musculoskeletal tissue | A52.78 |
| syphilis of lung and bronchus | A52.72 |
| syphilis of liver and other viscera | A52.74 |
| syphilis of kidney and ureter | A52.75 |
| syphilis of bone and joint | A52.77 |
| syngamiasis | B83.3 |
| symptomatic late syphilis of other respiratory organs | A52.73 |
| sylvatic yellow fever | A95.0 |
| sylvatic rabies | A82.0 |
| subcutaneous pheomycotic abscess and cyst | B43.2 |
| subacute sclerosing panencephalitis | A81.1 |
| subacute and chronic melioidosis | A24.2 |
| strongyloidiasis, unspecified | B78.9 |
| strongyloidiasis | B78 |
| streptococcus, staphylococcus, and enterococcus as the cause of diseases classified elsewhere | B95 |
| streptococcus, group b, as the cause of diseases classified elsewhere | B95.1 |
| streptococcus, group a, as the cause of diseases classified elsewhere | B95.0 |
| streptococcus pneumoniae as the cause of diseases classified elsewhere | B95.3 |
| streptococcal sepsis, unspecified | A40.9 |
| streptococcal sepsis | A40 |
| streptococcal infection, unspecified site | A49.1 |
| streptobacillosis | A25.1 |
| st louis encephalitis | A83.3 |
| spotted fever, unspecified | A77.9 |
| spotted fever unspecified | A77.40 |
| spotted fever due to rickettsia siberica | A77.2 |
| spotted fever due to rickettsia rickettsii | A77.0 |
| spotted fever due to rickettsia conorii | A77.1 |
| spotted fever due to rickettsia australis | A77.3 |
| spotted fever chafeensis [e chafeensis] | A77.41 |
| spotted fever [tick-borne rickettsioses] | A77 |
| sporotrichosis, unspecified | B42.9 |
| sporotrichosis arthritis | B42.82 |
| sporotrichosis | B42 |
| spirochetal infection, unspecified | A69.9 |
| spirocerca lupi | B88.0.2 |
| spirillosis | A25.0 |
| sparganosis | B70.1 |
| smallpox | B03 |
| smallpox | B03 |
| shigellosis, unspecified | A03.9 |
| shigellosis due to shigella sonnei | A03.3 |
| shigellosis due to shigella flexneri | A03.1 |
| shigellosis due to shigella dysenteriae | A03.0 |
| shigellosis due to shigella boydii | A03.2 |
| shigellosis | A03 |
| shiga toxin-producing escherichia coli [e coli] (stec) o as the cause of diseases classified elsewhere | B96.21 |
| sexually transmitted chlamydial infection of other sites | A56.8 |
| sequelae of viral hepatitis | B94.2 |
| sequelae of viral encephalitis | B94.1 |
| sequelae of unspecified infectious and parasitic disease | B94.9 |
| sequelae of tuberculosis of other organs | B90.8 |
| sequelae of tuberculosis of bones and joints | B90.2 |
| sequelae of tuberculosis | B90 |
| sequelae of trachoma | B94.0 |
| sequelae of respiratory and unspecified tuberculosis | B90.9 |
| sequelae of poliomyelitis | B91 |
| sequelae of poliomyelitis | B91 |
| sequelae of other specified infectious and parasitic diseases | B94.8 |
| sequelae of other and unspecified infectious and parasitic diseases | B94 |
| sequelae of leprosy | B92 |
| sequelae of leprosy | B92 |
| sequelae of infectious and parasitic diseases | B90 -B94 |
| sequelae of genitourinary tuberculosis | B90.1 |
| sequelae of central nervous system tuberculosis | B90.0 |
| septicemic plague | A20.7 |
| sepsis, unspecified organism | A41.9 |
| sepsis due to unspecified staphylococcus | A41.2 |
| sepsis due to streptococcus, group b | A40.1 |
| sepsis due to streptococcus, group a | A40.0 |
| sepsis due to streptococcus pneumoniae | A40.3 |
| sepsis due to serratia | A41.53 |
| sepsis due to pseudomonas | A41.52 |
| sepsis due to other specified staphylococcus | A41.1 |
| sepsis due to methicillin susceptible staphylococcus aureus | A41.01 |
| sepsis due to methicillin resistant staphylococcus aureus | A41.02 |
| sepsis due to hemophilus influenzae | A41.3 |
| sepsis due to escherichia coli [e coli] | A41.51 |
| sepsis due to enterococcus | A41.81 |
| sepsis due to anaerobes | A41.4 |
| secondary syphilitic osteopathy | A51.46 |
| secondary syphilitic oculopathy | A51.43 |
| secondary syphilitic nephritis | A51.44 |