Intestinal infectious diseases (A00-A09)
Browse all the diagnosis codes used for intestinal infectious diseases (a00-a09). 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.
Certain infectious and parasitic diseases (A00–B99)
Intestinal infectious diseases (A00-A09)
A00 Cholera
- A00.0 Cholera due to Vibrio cholerae 01, biovar cholerae
- A00.1 Cholera due to Vibrio cholerae 01, biovar eltor
- A00.9 Cholera, unspecified
Cholera (A00)
A01 Typhoid and paratyphoid fevers
A01.0 Typhoid fever
- A01.00 Typhoid fever, unspecified
- A01.01 Typhoid meningitis
- A01.02 Typhoid fever with heart involvement
- A01.03 Typhoid pneumonia
- A01.04 Typhoid arthritis
- A01.05 Typhoid osteomyelitis
- A01.09 Typhoid fever with other complications
- A01.1 Paratyphoid fever A
- A01.2 Paratyphoid fever B
- A01.3 Paratyphoid fever C
- A01.4 Paratyphoid fever, unspecified
Typhoid and paratyphoid fevers (A01)
A02 Other salmonella infections
- A02.0 Salmonella enteritis
- A02.1 Salmonella sepsis
A02.2 Localized salmonella infections
- A02.20 Localized salmonella infection, unspecified
- A02.21 Salmonella meningitis
- A02.22 Salmonella pneumonia
- A02.23 Salmonella arthritis
- A02.24 Salmonella osteomyelitis
- A02.25 Salmonella pyelonephritis
- A02.29 Salmonella with other localized infection
- A02.8 Other specified salmonella infections
- A02.9 Salmonella infection, unspecified
Other salmonella infections (A02)
A04 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
Other bacterial intestinal infections (A04)
A05 Other bacterial foodborne intoxications, not elsewhere classified
- A05.0 Foodborne staphylococcal intoxication
- A05.1 Botulism food poisoning
- A05.2 Foodborne Clostridium perfringens [Clostridium welchii] intoxication
- A05.3 Foodborne Vibrio parahaemolyticus intoxication
- A05.4 Foodborne Bacillus cereus intoxication
- A05.5 Foodborne Vibrio vulnificus intoxication
- A05.8 Other specified bacterial foodborne intoxications
- A05.9 Bacterial foodborne intoxication, unspecified
Other bacterial foodborne intoxications, not elsewhere classified (A05)
A06 Amebiasis
- A06.0 Acute amebic dysentery
- A06.1 Chronic intestinal amebiasis
- A06.2 Amebic nondysenteric colitis
- A06.3 Ameboma of intestine
- A06.4 Amebic liver abscess
- A06.5 Amebic lung abscess
- A06.6 Amebic brain abscess
- A06.7 Cutaneous amebiasis
A06.8 Amebic infection of other sites
- A06.81 Amebic cystitis
- A06.82 Other amebic genitourinary infections
- A06.89 Other amebic infections
- A06.9 Amebiasis, unspecified
Amebiasis (A06)
A08 Viral and other specified intestinal infections
- A08.0 Rotaviral enteritis
A08.1 Acute gastroenteropathy due to Norwalk agent and other small round viruses
- A08.11 Acute gastroenteropathy due to Norwalk agent
- A08.19 Acute gastroenteropathy due to other small round viruses
- A08.2 Adenoviral enteritis
A08.3 Other viral enteritis
- A08.31 Calicivirus enteritis
- A08.32 Astrovirus enteritis
- A08.39 Other viral enteritis
- A08.4 Viral intestinal infection, unspecified
- A08.8 Other specified intestinal infections
Viral and other specified intestinal infections (A08)
- A09 Infectious gastroenteritis and colitis, unspecified
Infectious gastroenteritis and colitis, unspecified (A09)