Bacterial infection of unspecified site (A49)

Browse all the diagnosis codes used for bacterial infection of unspecified site (a49). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Instructional Notations

Type 1 Excludes

A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

  • bacterial agents as the cause of diseases classified elsewhere B95 B96
  • chlamydial infection NOS A74.9
  • meningococcal infection NOS A39.9
  • rickettsial infection NOS A79.9
  • spirochetal infection NOS A69.9