ICD-10-CM Codes
A00-B99 Certain infectious and parasitic diseases
A20-A28 Certain zoonotic bacterial diseases
A22- Anthrax

2020 ICD-10-CM Diagnosis Code A22.2

Gastrointestinal anthrax

2016

2017

2018

2019

2020

Billable/Specific Code

A22.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2020 edition of ICD-10-CM A22.2 became effective on October 1, 2019.
This is the American ICD-10-CM version of A22.2 - other international versions of ICD-10 A22.2 may differ.

The following code(s) above A22.2 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 A22.2:

A00-B99
2020 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseases
Includes
- diseases generally recognized as communicable or transmissible
Type 1 Excludes
- certain localized infections - see body system-related chapters
Type 2 Excludes
- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional
- code to identify resistance to antimicrobial drugs (Z16.-)
Certain infectious and parasitic diseases
A22
ICD-10-CM Diagnosis Code A22
Anthrax
Includes
- infection due to Bacillus anthracis
Anthrax

ICD-10-CM A22.2 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):

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 A22.2 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

Diagnosis Index entries containing back-references to A22.2:

Anthrax A22.9
ICD-10-CM Diagnosis Code A22.9
Anthrax, unspecified
- colitis A22.2
- gastrointestinal A22.2
- intestinal A22.2
Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) K52.9
- see also Enteritis
ICD-10-CM Diagnosis Code K52.9
Noninfective gastroenteritis and colitis, unspecified
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)
- anthrax A22.2

ICD-10-CM Codes Adjacent To A22.2

A21.0 Ulceroglandular tularemia

A21.1 Oculoglandular tularemia

A21.2 Pulmonary tularemia

A21.3 Gastrointestinal tularemia

A21.7 Generalized tularemia

A21.8 Other forms of tularemia

A21.9 Tularemia, unspecified

A22 Anthrax

A22.0 Cutaneous anthrax

A22.1 Pulmonary anthrax

A22.2 Gastrointestinal anthrax

A22.7 Anthrax sepsis

A22.8 Other forms of anthrax

A22.9 Anthrax, unspecified

A23 Brucellosis

A23.0 Brucellosis due to Brucella melitensis

A23.1 Brucellosis due to Brucella abortus

A23.2 Brucellosis due to Brucella suis

A23.3 Brucellosis due to Brucella canis

A23.8 Other brucellosis

A23.9 Brucellosis, unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2020 ICD-10-CM Diagnosis Code A22.2

Gastrointestinal anthrax

Certain infectious and parasitic diseases

Anthrax

Anthrax, unspecified

Noninfective gastroenteritis and colitis, unspecified