A18.84 Tuberculosis of heart

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

Applicable to

• Tuberculous cardiomyopathy
• Tuberculous endocarditis
• Tuberculous myocarditis
• Tuberculous pericarditis

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 017.90 Tuberculosis of other specified organs, unspecified (approximate)
• 017.90 Tuberculosis of other specified organs, unspecified (approximate)
• 420.0 Acute pericarditis in diseases classified elsewhere (approximate)
• 422.0 Acute myocarditis in diseases classified elsewhere (approximate)
• 424.91 Endocarditis in diseases classified elsewhere (approximate)
• 425.8 Cardiomyopathy in other diseases classified elsewhere (approximate)

Code annotations containing back-references to A18.84

Back-references to A18.84

• Type 1 Excludes: I32 Pericarditis in diseases classified elsewhere ("tuberculosis (A18.84)")
• Type 1 Excludes: I39 Endocarditis and heart valve disorders in diseases classified elsewhere ("tuberculosis (A18.84)")
• Type 1 Excludes: I41 Myocarditis in diseases classified elsewhere ("tuberculous (A18.84)")
• Type 1 Excludes: I43 Cardiomyopathy in diseases classified elsewhere ("tuberculosis (A18.84)")

Back-references to A18

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

Diagnosis Index entries for A18.84

• Adhesions, adhesive (postinfective) › pericardium (nonrheumatic) › tuberculous
• Cardiomyopathy (familial) (idiopathic) › tuberculous
• Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile) › tuberculous
• Pericarditis (with decompensation) (with effusion) › fibrinocaseous (tuberculous)
• Pericarditis (with decompensation) (with effusion) › tuberculous
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › adherent pericardium
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › cardiomyopathy
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › endocarditis
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › endocarditis › aortic
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › endocarditis › mitral
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › endocarditis › pulmonary
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › endocarditis › tricuspid
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › heart
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › myocardium, myocarditis
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › pericardium, pericarditis

Nearby codes

• A18.7 Tuberculosis of adrenal glands
• A18.8 Tuberculosis of other specified organs
• A18.81 Tuberculosis of thyroid gland
• A18.82 Tuberculosis of other endocrine glands
• A18.83 Tuberculosis of digestive tract organs, not elsewhere classified
• A18.84 Tuberculosis of heart (this code)
• A18.85 Tuberculosis of spleen
• A18.89 Tuberculosis of other sites