ICD-10 Code
International Classification of Diseases, 10th Revision
Mar 19, 2019

See: Other bacterial intestinal infections

A04 is NOT a complete or valid ICD 10 diagnosis code.

You should code each health care encounter to the level of certainty known for that encounter. When sufficient clinical information is not known or available to assign a more specific code, it is acceptable to report the appropriate unspecified code.

See below for more specifc codes relating to
Other bacterial intestinal infections
  • bacterial foodborne intoxications, NEC (A05.-)
  • tuberculous enteritis (A18.32)

More specific codes for Other bacterial intestinal infections

  • A04.0 - Enteropathogenic Escherichia coli infection
  • A04.1 - Enterotoxigenic Escherichia coli infection
  • A04.2 - Enteroinvasive Escherichia coli infection
  • A04.3 - Enterohemorrhagic Escherichia coli infection
  • A04.4 - Other intestinal Escherichia coli infections
  • A04.5 - Campylobacter enteritis
  • A04.6 - Enteritis due to Yersinia enterocolitica
  • A04.7 - Enterocolitis due to Clostridium difficile
    • A04.71 - Enterocolitis due to Clostridium difficile, recurrent
    • A04.72 - Enterocolitis due to Clostridium difficile, not specified as recurrent
  • A04.8 - Other specified bacterial intestinal infections
  • A04.9 - Bacterial intestinal infection, unspecified
Back to A04
See the ICD-10-CM Coding Guidelines.

Questions related to A04 Other bacterial intestinal infections

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.