Miliary tuberculosis (A19) ICD-10-CM
The A19 code range covers miliary tuberculosis with 6 ICD-10-CM diagnosis codes. 5 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- disseminated tuberculosis
- generalized tuberculosis
- tuberculous polyserositis
Codes in the A19 Range 6 codes · 5 billable
About the A19 Code Range
The ICD-10 code A19 and its subcategories are specifically used to classify cases of miliary tuberculosis, a severe form of tuberculosis characterized by tiny lesions spread throughout the body. These codes differentiate between acute and chronic forms, as well as specify whether the disease affects one site, multiple sites, or remains unspecified.
The term miliary tuberculosis is also known by various synonyms such as disseminated tuberculosis, acute miliary tuberculosis, and chronic granulomatous tuberculosis, helping healthcare providers accurately identify cases when searching for the ICD-10 code for miliary tuberculosis. For example, A19.0 is used when acute miliary tuberculosis involves a single site, while A19.1 applies to multiple sites. A19.2 and A19.9 cover unspecified cases, with A19.8 addressing other or chronic forms. Recognizing these codes ensures proper documentation and aids in distinguishing between different presentations of this disseminated infectious disease.
Questions About This Page
How many billable codes are in the A19 range?
Of the 6 codes in this range, 5 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the A19 range classify?
The range classifies miliary tuberculosis. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
