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ICD-10-CM Codes
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A00-B99
Certain infectious and parasitic diseases
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A00-A09
Intestinal infectious diseases
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A04-
Other bacterial intestinal infections
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2021 ICD-10-CM Diagnosis Code A04.8
2021 ICD-10-CM Diagnosis Code A04.8
Other specified bacterial intestinal infections
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- A04.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM A04.8 became effective on October 1, 2020.
- This is the American ICD-10-CM version of A04.8 - other international versions of ICD-10 A04.8 may differ.
The following code(s) above
A04.8 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
A04.8:
- Intestinal infection due to pseudomonas
- Intestinal infection with pseudomonas
- Intestinal infection with staphylococcus
- Staphylococcal enterocolitis
ICD-10-CM A04.8 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 371 Major gastrointestinal disorders and peritoneal infections with mcc
- 372 Major gastrointestinal disorders and peritoneal infections with cc
- 373 Major gastrointestinal disorders and peritoneal infections without cc/mcc
Convert A04.8 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) K52.9 - see also Enteritis
ICD-10-CM Diagnosis Code K52.9
Noninfective gastroenteritis and colitis, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Colitis NOS
- Enteritis NOS
- Gastroenteritis NOS
- Ileitis NOS
- Jejunitis NOS
- Sigmoiditis NOS
Type 1 Excludes- diarrhea NOS (R19.7)
- functional diarrhea (K59.1)
- infectious gastroenteritis and colitis NOS (A09)
- neonatal diarrhea (noninfective) (P78.3)
- psychogenic diarrhea (F45.8)
- Diarrhea, diarrheal (disease) (infantile) (inflammatory) R19.7
ICD-10-CM Diagnosis Code R19.7
Diarrhea, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Type 1 Excludes- functional diarrhea (K59.1)
- neonatal diarrhea (P78.3)
- psychogenic diarrhea (F45.8)
- due to
- bacteria A04.9
ICD-10-CM Diagnosis Code A04.9
Bacterial intestinal infection, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- specified organism NEC A08.8
ICD-10-CM Diagnosis Code A08.8
Other specified intestinal infections
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Clostridium perfringens A04.8 (C) (F)
- Staphylococcus A04.8
- specified
- Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) K52.9
ICD-10-CM Diagnosis Code K52.9
Noninfective gastroenteritis and colitis, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Colitis NOS
- Enteritis NOS
- Gastroenteritis NOS
- Ileitis NOS
- Jejunitis NOS
- Sigmoiditis NOS
Type 1 Excludes- diarrhea NOS (R19.7)
- functional diarrhea (K59.1)
- infectious gastroenteritis and colitis NOS (A09)
- neonatal diarrhea (noninfective) (P78.3)
- psychogenic diarrhea (F45.8)
- bacterial A04.9
ICD-10-CM Diagnosis Code A04.9
Bacterial intestinal infection, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- infectious NOS A09
ICD-10-CM Diagnosis Code A09
Infectious gastroenteritis and colitis, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Infectious colitis NOS
- Infectious enteritis NOS
- Infectious gastroenteritis NOS
Type 1 Excludes- colitis NOS (K52.9)
- diarrhea NOS (R19.7)
- enteritis NOS (K52.9)
- gastroenteritis NOS (K52.9)
- noninfective gastroenteritis and colitis, unspecified (K52.9)
- due to
- bacteria NOS A04.9
ICD-10-CM Diagnosis Code A04.9
Bacterial intestinal infection, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- specified
- Aerobacter aerogenes A04.8
- Clostridium perfringens A04.8
- Enterobacter aerogenes A04.8
- Staphylococcus A04.8
- staphylococcal A04.8
- Infection, infected, infective (opportunistic) B99.9
ICD-10-CM Diagnosis Code B99.9
Unspecified infectious disease
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Pseudotuberculosis A28.2
ICD-10-CM Diagnosis Code A28.2
Extraintestinal yersiniosis
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Type 1 Excludes- enteritis due to Yersinia enterocolitica (A04.6)
- plague (A20.-)
ICD-10-CM Codes Adjacent To A04.8
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
A04.72 …… not specified as recurrent
A04.8
Other specified bacterial intestinal infections
A04.9 Bacterial intestinal infection, unspecified
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
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
