1. ICD-10-CM Codes
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2. A00-B99
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3. B35-B49
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4. B44-
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5. 2023 ICD-10-CM Diagnosis Code B44.9

2023 ICD-10-CM Diagnosis Code B44.9

Aspergillosis, unspecified

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

• B44.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2023 edition of ICD-10-CM B44.9 became effective on October 1, 2022.
• This is the American ICD-10-CM version of B44.9 - other international versions of ICD-10 B44.9 may differ.

• Aspergillosis
• Aspergillosis pneumonia
• Pneumonia in aspergillosis

• An infectious fungal disease that occurs most often in the skin, ears, nasal sinuses, and lungs of people with suppressed immune systems.
• Aspergillosis is a disease caused by a fungus (or mold) that is very common in the environment. There are different kinds of aspergillosis. One kind is allergic bronchopulmonary aspergillosis (also called abpa). Symptoms of abpa include wheezing and coughing. Abpa can affect healthy people but it is most common in people with asthma or cystic fibrosis.another kind is invasive aspergillosis, which invades and damages tissues in the body. It usually affects the lungs, but it can also cause infection in other organs and spread throughout the body. It affects people who have immune system problems, such as people who have had a transplant, are taking high doses of steroids, or getting chemotherapy for some cancers.your doctor might do a variety of tests to make the diagnosis, including a chest x-ray, ct scan of the lungs, or examining tissues for signs of the fungus. Treatment is with antifungal drugs. Centers for Disease Control and Prevention.
• Disease condition caused by species of aspergillus and marked by inflammatory granulomatous lesions in the skin, ear, orbit, nasal sinuses, lungs, and sometimes in the bones and meninges.
• Infections with fungi of the genus aspergillus.

• 791 Prematurity with major problems
• 793 Full term neonate with major problems
• 867 Other infectious and parasitic diseases diagnoses with mcc
• 868 Other infectious and parasitic diseases diagnoses with cc
• 869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert B44.9 to ICD-9-CM

• 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
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change

• Aspergillosis (with pneumonia) B44.9
• Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) J18.9
  ICD-10-CM Diagnosis Code J18.9

  Pneumonia, unspecified organism

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • in (due to)
    • aspergillosis B44.9

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.