A42
Non-billableActinomycosis
Actinomycosis
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
6
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
- actinomycetoma (B47.1)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code to identify resistance to antimicrobial drugs (Z16.-)
Child Codes (6)
Also Known As / Clinical Terms
UMLS
- ACTINOMYCES INFECTC0001261
- Actinomyces InfectionC0001261
- Actinomyces InfectionsC0001261
- ActinomycosesC0001261
- ActinomycosisC0001261
- Actinomycosis, unspecifiedC0001261
- Actinomycotic infectionC0001261
- Actinomycotic infection (disorder)C0001261
- Actinomycotic infection of unspecified siteC0001261
- Actinomycotic infectious disordersC0001261
- INFECT ACTINOMYCESC0001261
- Infection, ActinomycesC0001261
- Infections, ActinomycesC0001261
- actinomyces infectionC0001261
- actinomycosesC0001261
- actinomycosisC0001261
- actinomycotic infectionC0001261
Frequently Asked Questions
What is ICD-10 code A42?
ICD-10-CM code A42 represents "Actinomycosis". It is a non-billable header code — use a more specific child code for billing purposes.
Is A42 a billable code?
No, A42 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under A42.
What chapter is A42 in?
A42 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A42?
A42 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; actinomycetoma (B47.1).
What are the subcategories under A42?
A42 has 6 child codes, including: A42.0 (Pulmonary actinomycosis), A42.1 (Abdominal actinomycosis), A42.2 (Cervicofacial actinomycosis), A42.7 (Actinomycotic sepsis), and 2 more.
Are additional codes required with A42?
Yes, when using A42 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A42?
A42 is linked to 1 UMLS Concept Unique Identifier: C0001261. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.