Bartonellosis (A44) ICD-10-CM
The A44 code range covers bartonellosis with 5 ICD-10-CM diagnosis codes. 4 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Codes in the A44 Range 5 codes · 4 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the A44 range.
Bartonella Infections
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.
About the A44 Code Range
Bartonellosis is an infection caused by Bartonella bacteria. Its subdivisions distinguish systemic infection from infection involving the skin or moist body linings.
A44.0 identifies systemic bartonellosis, while A44.1 identifies skin and mucous membrane involvement. A44.8 covers other forms, and A44.9 leaves the form unspecified.
Questions About This Page
How many billable codes are in the A44 range?
Of the 5 codes in this range, 4 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the A44 range classify?
The range classifies bartonellosis. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
