A43
Non-billableNocardiosis
Nocardiosis
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
4
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
Use Additional Code
Additional codes that should follow this code
- code to identify resistance to antimicrobial drugs (Z16.-)
Child Codes (4)
Also Known As / Clinical Terms
UMLS
- INFECT NOCARDIAC0028242
- Infection, NocardiaC0028242
- Infections, NocardiaC0028242
- NOCARDIA INFECTC0028242
- Nocardia InfectionC0028242
- Nocardia InfectionsC0028242
- Nocardia infectionC0028242
- Nocardia infectionsC0028242
- Nocardial InfectionC0028242
- NocardiosesC0028242
- NocardiosisC0028242
- Nocardiosis (disorder)C0028242
- Nocardiosis, unspecifiedC0028242
- nocardia infectionC0028242
- nocardia infectionsC0028242
- nocardiosisC0028242
Frequently Asked Questions
What is ICD-10 code A43?
ICD-10-CM code A43 represents "Nocardiosis". It is a non-billable header code — use a more specific child code for billing purposes.
Is A43 a billable code?
No, A43 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under A43.
What chapter is A43 in?
A43 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A43?
A43 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 A43?
A43 has 4 child codes, including: A43.0 (Pulmonary nocardiosis), A43.1 (Cutaneous nocardiosis), A43.8 (Other forms of nocardiosis), A43.9 (Nocardiosis, unspecified).
Are additional codes required with A43?
Yes, when using A43 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A43?
A43 is linked to 1 UMLS Concept Unique Identifier: C0028242. 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.