Nocardiosis (A43) ICD-10-CM
The A43 code range covers nocardiosis 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 A43 Range 5 codes · 4 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the A43 range.
Nocardia Infections
Infections with bacteria of the genus NOCARDIA.
About the A43 Code Range
Nocardiosis is an infection caused by Nocardia bacteria. It belongs to the group of other bacterial diseases.
The subdivisions distinguish where the infection occurs or whether its form is specified. A43.0 describes pulmonary nocardiosis in the lungs, and A43.1 describes cutaneous nocardiosis in the skin. A43.8 covers other forms; A43.9 applies when the form is unspecified.
Questions About This Page
How many billable codes are in the A43 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 A43 range classify?
The range classifies nocardiosis. 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.
