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ICD-10-CM Codes
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A00-B99
Certain infectious and parasitic diseases
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A30-A49
Other bacterial diseases
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A31-
Infection due to other mycobacteria
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2021 ICD-10-CM Diagnosis Code A31
2021 ICD-10-CM Diagnosis Code A31
Infection due to other mycobacteria
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- A31 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2021 edition of ICD-10-CM A31 became effective on October 1, 2020.
- This is the American ICD-10-CM version of A31 - other international versions of ICD-10 A31 may differ.
Type 2 ExcludesType 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (A31) and the excluded code together.
The following code(s) above
A31 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
A31:
- 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
ICD-10-CM Codes Adjacent To A31
A28.9 Zoonotic bacterial disease, unspecified
A30 Leprosy [Hansen's disease]
A30.0 Indeterminate leprosy
A30.1 Tuberculoid leprosy
A30.2 Borderline tuberculoid leprosy
A30.4 Borderline lepromatous leprosy
A30.5 Lepromatous leprosy
A30.8 Other forms of leprosy
A30.9 Leprosy, unspecified
A31
Infection due to other mycobacteria
A31.0 Pulmonary mycobacterial infection
A31.1 Cutaneous mycobacterial infection
A31.2 Disseminated mycobacterium avium-intracellulare complex (DMAC)
A31.8 Other mycobacterial infections
A31.9 Mycobacterial infection, unspecified
A32.0 Cutaneous listeriosis
A32.1 Listerial meningitis and meningoencephalitis
A32.12 Listerial meningoencephalitis
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
