| MDC 18 Infectious & Parasitic Diseases, Systemic or Unspecified Sites |
| Septicemia or Severe Sepsis |
| A021 | Salmonella sepsis |
| A207 | Septicemic plague |
| A227 | Anthrax sepsis |
| A267 | Erysipelothrix sepsis |
| A327 | Listerial sepsis |
| A391 | Waterhouse-Friderichsen syndrome |
| A392 | Acute meningococcemia |
| A393 | Chronic meningococcemia |
| A394 | Meningococcemia, unspecified |
| A3989 | Other meningococcal infections |
| A399 | Meningococcal infection, unspecified |
| A400 | Sepsis due to streptococcus, group A |
| A401 | Sepsis due to streptococcus, group B |
| A403 | Sepsis due to Streptococcus pneumoniae |
| A408 | Other streptococcal sepsis |
| A409 | Streptococcal sepsis, unspecified |
| A4101 | Sepsis due to Methicillin susceptible Staphylococcus aureus |
| A4102 | Sepsis due to Methicillin resistant Staphylococcus aureus |
| A411 | Sepsis due to other specified staphylococcus |
| A412 | Sepsis due to unspecified staphylococcus |
| A413 | Sepsis due to Hemophilus influenzae |
| A414 | Sepsis due to anaerobes |
| A4150 | Gram-negative sepsis, unspecified |
| A4151 | Sepsis due to Escherichia coli [E. coli] |
| A4152 | Sepsis due to Pseudomonas |
| A4153 | Sepsis due to Serratia |
| A4159 | Other Gram-negative sepsis |
| A4181 | Sepsis due to Enterococcus |
| A4189 | Other specified sepsis |
| A419 | Sepsis, unspecified organism |
| A427 | Actinomycotic sepsis |
| A5486 | Gonococcal sepsis |
| B007 | Disseminated herpesviral disease |
| B377 | Candidal sepsis |
| R571 | Hypovolemic shock |
| R578 | Other shock |
| R6510 | Systemic inflammatory response syndrome (SIRS) of non-infectious origin without acute organ dysfunction |
| R6511 | Systemic inflammatory response syndrome (SIRS) of non-infectious origin with acute organ dysfunction |
| R6520 | Severe sepsis without septic shock |
| R6521 | Severe sepsis with septic shock |
| R7881 | Bacteremia |