| unspecified escherichia coli [e coli] as the cause of diseases classified elsewhere | B96.20 |
| unspecified enterovirus as the cause of diseases classified elsewhere | B97.10 |
| unspecified arthropod-borne viral fever | A94 |
| unspecified arthropod-borne viral fever | A94 |
| ulceroglandular tularemia | A21.0 |
| tyzzer's disease | B96.9 |
| typhus fever, unspecified | A75.9 |
| typhus fever due to rickettsia typhi | A75.2 |
| typhus fever due to rickettsia tsutsugamushi | A75.3 |
| typhus fever | A75 |
| typhoid pneumonia | A01.03 |
| typhoid osteomyelitis | A01.05 |
| typhoid meningitis | A01.01 |
| typhoid arthritis | A01.04 |
| typhoid and paratyphoid feverswith other complications | A01.09 |
| typhoid and paratyphoid feverswith heart involvement | A01.02 |
| typhoid and paratyphoid fevers unspecified | A01.00 |
| typhoid and paratyphoid fevers | A01 |
| tungiasis [sandflea infestation] | B88.1 |
| tularemia, unspecified | A21.9 |
| tularemia | A21 |
| tuberculous pleurisy | A15.6 |
| tuberculous peritonitis | A18.31 |
| tuberculous peripheral lymphadenopathy | A18.2 |
| tuberculous neuritis | A17.83 |
| tuberculous meningoencephalitis | A17.82 |
| tuberculous meningitis | A17.0 |
| tuberculous keratitis | A18.52 |
| tuberculous iridocyclitis | A18.54 |
| tuberculous female pelvic inflammatory disease | A18.17 |
| tuberculous episcleritis | A18.51 |
| tuberculous enteritis | A18.32 |
| tuberculous chorioretinitis | A18.53 |
| tuberculous arthritis of other joints | A18.02 |
| tuberculosis of thyroid gland | A18.81 |
| tuberculosis of spleen | A18.85 |
| tuberculosis of spine | A18.01 |
| tuberculosis of skin and subcutaneous tissue | A18.4 |
| tuberculosis of prostate | A18.14 |
| tuberculosis of other urinary organs | A18.13 |
| tuberculosis of other sites | A18.89 |
| tuberculosis of other organs unspecified | A18.10 |
| tuberculosis of other organs unspecified | A18.50 |
| tuberculosis of other organs | A18 |
| tuberculosis of other male genital organs | A18.15 |
| tuberculosis of other female genital organs | A18.18 |
| tuberculosis of other endocrine glands | A18.82 |
| tuberculosis of other bones | A18.03 |
| tuberculosis of nervous system, unspecified | A17.9 |
| tuberculosis of nervous system | A17 |
| tuberculosis of lung | A15.0 |
| tuberculosis of larynx, trachea and bronchus | A15.5 |
| tuberculosis of kidney and ureter | A18.11 |
| tuberculosis of intrathoracic lymph nodes | A15.4 |
| tuberculosis of heart | A18.84 |
| tuberculosis of digestive tract organs, not elsewhere classified | A18.83 |
| tuberculosis of cervix | A18.16 |
| tuberculosis of bladder | A18.12 |
| tuberculosis of adrenal glands | A18.7 |
| tuberculosis of (inner) (middle) ear | A18.6 |
| tuberculosis | A15 -A19 |
| tuberculoma of brain and spinal cord | A17.81 |
| tuberculoid leprosy | A30.1 |
| trichuriasis | B79 |
| trichuriasis | B79 |
| trichostrongyliasis | B81.2 |
| trichomoniasis, unspecified | A59.9 |
| trichomoniasis unspecified | A59.00 |
| trichomoniasis of other sites | A59.8 |
| trichomoniasis | A59 |
| trichomonal vulvovaginitis | A59.01 |
| trichomonal prostatitis | A59.02 |
| trichomonal cystitis and urethritis | A59.03 |
| trichinellosis | B75 |
| trichinellosis | B75 |
| trench fever | A79.0 |
| trachoma, unspecified | A71.9 |
| trachoma | A71 |
| toxoplasmosis, unspecified | B58.9 |
| toxoplasmosis with other organ involvement | B58.89 |
| toxoplasmosis unspecified | B58.00 |
| toxoplasmosis | B58 |
| toxoplasma tubulo-interstitial nephropathy | B58.83 |
| toxoplasma myositis | B58.82 |
| toxoplasma myocarditis | B58.81 |
| toxoplasma meningoencephalitis | B58.2 |
| toxoplasma hepatitis | B58.1 |
| toxoplasma chorioretinitis | B58.01 |
| toxic shock syndrome | A48.3 |
| tonsillar aspergillosis | B44.2 |
| tinea unguium | B35.1 |
| tinea pedis | B35.3 |
| tinea manuum | B35.2 |
| tinea imbricata | B35.5 |
| tinea cruris | B35.6 |
| tinea corporis | B35.4 |
| tinea barbae and tinea capitis | B35.0 |
| tick-borne viral encephalitis, unspecified | A84.9 |
| tick-borne viral encephalitis | A84 |
| tick-borne relapsing fever | A68.1 |