A31
Non-billableInfection due to other mycobacteria
Infection due to other mycobacteria
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
A30-A49
Child Codes
5
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
Excludes 2
Conditions not included here, but the patient may have both
- 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)
- leprosy (A30.-)
- tuberculosis (A15-A19)
Use Additional Code
Additional codes that should follow this code
- code to identify resistance to antimicrobial drugs (Z16.-)
Child Codes (5)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code A31?
ICD-10-CM code A31 represents "Infection due to other mycobacteria". It is a non-billable header code — use a more specific child code for billing purposes.
Is A31 a billable code?
No, A31 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under A31.
What chapter is A31 in?
A31 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A31?
A31 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
What are the subcategories under A31?
A31 has 5 child codes, including: A31.0 (Pulmonary mycobacterial infection), A31.1 (Cutaneous mycobacterial infection), A31.2 (Dissem mycobacterium avium-intracellulare complex (DMAC)), A31.8 (Other mycobacterial infections), and 1 more.
Are additional codes required with A31?
Yes, when using A31 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A31?
A31 is linked to 1 UMLS Concept Unique Identifier: C0275716. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.