A43.9
BillableNocardiosis, unspecified
Nocardiosis, unspecified
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
Related Codes(3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(42)
SNOMED CT
- Nocardiosis29227009
- Actinomycetoma caused by Nocardia402129006
- Actinomycetoma caused by Nocardia infection402129006
- Nocardia infection with AIDS (acquired immunodeficiency syndrome)421431004
- Nocardiosis with AIDS (acquired immunodeficiency syndrome)421431004
- Nocardiosis with acquired immunodeficiency syndrome421431004
- Nocardia abscessus or Nocardia arthritidis703007008
- Infection caused by Nocardia co-occurrent with human immunodeficiency virus infection713545009
- Nocardiosis co-occurrent with human immunodeficiency virus infection713545009
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
Clinical Terms
- Infection, Nocardia
- Infections, Nocardia
- Nocardia Infections
- Infection caused by Nocardia co-occurrent with human immunodeficiency virus infection
- Nocardia infection
- Actinomycetoma caused by Nocardia infection
- Nocardiosis with acquired immunodeficiency syndrome
- Nocardioses
- Nocardiosis (disorder)
- NOCARDIA INFECT
- Nocardia infection with AIDS (acquired immunodeficiency syndrome)
- Nocardiosis co-occurrent with human immunodeficiency virus infection
- Nocardia abscessus or Nocardia arthritidis
- INFECT NOCARDIA
- Nocardial Infection
- Nocardiosis with AIDS (acquired immunodeficiency syndrome)
- Actinomycetoma caused by Nocardia
Frequently Asked Questions
What is the ICD-10 code for nocardiosis, unspecified?
The ICD-10-CM code for nocardiosis, unspecified is A43.9. The full clinical description is "Nocardiosis, unspecified". A43.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code A43.9 mean?
ICD-10-CM code A43.9 represents “Nocardiosis, unspecified”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is A43.9 a billable code?
Yes, A43.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is A43.9 in?
A43.9 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A43.9?
A43.9 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
Are additional codes required with A43.9?
Yes, when using A43.9, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does A43.9 map to?
A43.9 maps to 5 SNOMED CT concepts: 402129006, 713545009, 703007008, 421431004, 29227009. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for A43.9?
A43.9 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.
How does A43.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like nocardiosis, unspecified affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of A43.9?
A43.9 maps to the ICD-11 code: 1C1B.Z (Nocardiosis, unspecified).
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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.