A18.85 Tuberculosis of spleen

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

MS-DRG index

Defines the logic of DRG(s) 814-816 in MDC 16.

Approximate ICD-9-CM (GEMs)

• 017.70 Tuberculosis of spleen, unspecified (approximate)

Code annotations containing back-references to A18.85

Back-references to A18.85

• Type 1 Excludes: D73.1 Hypersplenism ("splenitis, splenomegaly in tuberculosis (A18.85)")
• Type 1 Excludes: D77 Other disorders of blood and blood-forming organs in diseases classified elsewhere ("splenitis, splenomegaly in tuberculosis (A18.85)")

Back-references to A18

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

Diagnosis Index entries for A18.85

• Splenitis (interstitial) (malignant) (nonspecific) › tuberculous
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › spleen, splenitis

Nearby codes

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