A18.12 Tuberculosis of bladder

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) 689-690 in MDC 11.

Approximate ICD-9-CM (GEMs)

• 016.10 Tuberculosis of bladder, unspecified (approximate)

Code annotations containing back-references to A18.12

Back-references to A18.12

• Type 1 Excludes: N33 Bladder disorders in diseases classified elsewhere ("bladder disorder in tuberculosis (A18.12)")

Back-references to A18

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

Diagnosis Index entries for A18.12

• Cystitis (exudative) (hemorrhagic) (septic) (suppurative) › tuberculous
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › bladder
• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) › cystitis
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › bladder (solitary) (sphincter) NEC › tuberculous

Nearby codes

• A18.03 Tuberculosis of other bones
• A18.09 Other musculoskeletal tuberculosis
• A18.1 Tuberculosis of genitourinary system
• A18.10 Tuberculosis of genitourinary system, unspecified
• A18.11 Tuberculosis of kidney and ureter
• A18.12 Tuberculosis of bladder (this code)
• A18.13 Tuberculosis of other urinary organs
• A18.14 Tuberculosis of prostate
• A18.15 Tuberculosis of other male genital organs
• A18.16 Tuberculosis of cervix
• A18.17 Tuberculous female pelvic inflammatory disease