A19.9 Miliary tuberculosis, unspecified

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applies from A19 Miliary tuberculosis

Includes

• disseminated tuberculosis
• generalized tuberculosis
• tuberculous polyserositis

MS-DRG index

Defines the logic of DRG(s) 867-869 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 018.90 Miliary tuberculosis, unspecified, unspecified (approximate)

Code annotations containing back-references to A19.9

Back-references to A19

• Type 2 Excludes: A31 Infection due to other mycobacteria ("tuberculosis (A15-A19)")

Diagnosis Index entries for A19.9

• Concato's disease (pericardial polyserositis)
• Disease, diseased › Concato's (pericardial polyserositis)
• Polyserositis › tuberculous
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › miliary
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › multiple
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › polyserositis

Nearby codes

• A19 Miliary tuberculosis
• A19.0 Acute miliary tuberculosis of a single specified site
• A19.1 Acute miliary tuberculosis of multiple sites
• A19.2 Acute miliary tuberculosis, unspecified
• A19.8 Other miliary tuberculosis
• A19.9 Miliary tuberculosis, unspecified (this code)