| 6300 | Vibriosis (Cholera, Non-cholera)6300 | formula |
| 6301 | Visceral leishmaniasis6301 | formula |
| 6302 | Leprosy (Hansen's disease)6302 | formula |
| 6304 | Malaria6304 | formula |
| 6305 | Lymphatic filariasis, to include elephantiasis6305 | formula |
| 6306 | Bartonellosis6306 | formula |
| 6307 | Plague6307 | formula |
| 6308 | Relapsing Fever6308 | formula |
| 6309 | Rheumatic fever6309 | formula |
| 6310 | Syphilis, and other treponema infections6310 | formula |
| 6311 | Tuberculosis, miliary6311 | formula |
| 6312 | Nontuberculosis mycobacterium infection6312 | formula |
| 6313 | Avitaminosis6313 | 5 |
| 6314 | Beriberi6314 | 3 |
| 6315 | Pellagra6315 | 5 |
| 6316 | Brucellosis6316 | formula |
| 6317 | Rickettsial, ehrlichia, and anaplasma infections6317 | formula |
| 6318 | Melioidosis6318 | formula |
| 6319 | Lyme disease6319 | formula |
| 6320 | Parasitic diseases otherwise not specified6320 | formula |
| 6325 | Hyperinfection syndrome or disseminated strongyloidiasis6325 | formula |
| 6326 | Schistosomiasis6326 | 1 |
| 6329 | Hemorrhagic fevers, including dengue, yellow fever, and others6329 | formula |
| 6330 | Campylobacter jejuni infection6330 | formula |
| 6331 | Coxiella burnetii infection (Q fever)6331 | formula |
| 6333 | Nontyphoid salmonella infections6333 | formula |
| 6334 | Shigella infections6334 | formula |
| 6335 | West Nile virus infection6335 | formula |
| 6350 | Lupus erythematosus, systemic (disseminated)6350 | 3 |
| 6351 | HIV-related illness6351 | 5 |
| 6354 | Chronic fatigue syndrome (CFS)6354 | 5 |