A18.89 Tuberculosis of other sites

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

Applicable to

• Tuberculosis of muscle
• Tuberculous cerebral arteritis

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 017.80 Tuberculosis of esophagus, unspecified (approximate)
• 017.90 Tuberculosis of other specified organs, unspecified (approximate)

Code annotations containing back-references to A18.89

Back-references to A18.89

• Code First: D63.8 Anemia in other chronic diseases classified elsewhere ("tuberculosis (A18.89)")
• Type 1 Excludes: I68.2 Cerebral arteritis in other diseases classified elsewhere ("tuberculosis (A18.89)")
• Type 1 Excludes: I79.8 Other disorders of arteries, arterioles and capillaries in diseases classified elsewhere ("tuberculous endarteritis (A18.89)")

Back-references to A18

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

Diagnosis Index entries for A18.89

• Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › tuberculous
• Arteritis › cerebral › tuberculous
• Endarteritis (bacterial, subacute) (infective) › tuberculous
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › abscess (respiratory) › breast
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › anemia
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › artery, arteritis
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › artery, arteritis › cerebral
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › breast
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › connective tissue (systemic)
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › endarteritis
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › mammary gland
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › organ, specified NEC

Nearby codes

• 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
• A18.85 Tuberculosis of spleen
• A18.89 Tuberculosis of other sites (this code)