Bartonellosis, unspecified
- A44.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM A44.9 became effective on October 1, 2023.
- This is the American ICD-10-CM version of A44.9 – other international versions of ICD-10 A44.9 may differ.
The following code(s) above A44.9 contain annotation back-references
that may be applicable to A44.9:
- A00-B99 Certain infectious and parasitic diseases
Approximate Synonyms
- Bartonellosis
Clinical Information
- A gram-negative bacterial infection caused by bartonella bacilliformis. It is transmitted by ticks, flies and mosquitoes. Signs and symptoms include fever, headache, muscle pain, enlargement of the lymph nodes and anemia.
- Infections by the genus bartonella. Bartonella bacilliformis can cause acute febrile anemia, designated oroya fever, and a benign skin eruption, called verruga peruana. Bartonella quintana causes trench fever, while bartonella henselae is the etiologic agent of bacillary angiomatosis (angiomatosis, bacillary) and is also one of the causes of cat-scratch disease in immunocompetent patients.
ICD-10-CM A44.9 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):
- 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 A44.9 to ICD-9-CMCode History
- 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
- 2024 (effective 10/1/2023): No change
Diagnosis Index entries containing back-references to A44.9:
- Bartonellosis A44.9