A18: Tuberculosis of other organs

Codes under A18 (Tuberculosis of other organs). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
A18.0	Tuberculosis of bones and joints	—
A18.01	Tuberculosis of spine	✓
A18.1	Tuberculosis of genitourinary system	—
A18.02	Tuberculous arthritis of other joints	✓
A18.2	Tuberculous peripheral lymphadenopathy	✓
A18.03	Tuberculosis of other bones	✓
A18.3	Tuberculosis of intestines, peritoneum and mesenteric glands	—
A18.4	Tuberculosis of skin and subcutaneous tissue	✓
A18.5	Tuberculosis of eye	—
A18.6	Tuberculosis of (inner) (middle) ear	✓
A18.7	Tuberculosis of adrenal glands	✓
A18.8	Tuberculosis of other specified organs	—
A18.09	Other musculoskeletal tuberculosis	✓
A18.10	Tuberculosis of genitourinary system, unspecified	✓
A18.11	Tuberculosis of kidney and ureter	✓
A18.12	Tuberculosis of bladder	✓
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	✓
A18.18	Tuberculosis of other female genital organs	✓
A18.31	Tuberculous peritonitis	✓
A18.32	Tuberculous enteritis	✓
A18.39	Retroperitoneal tuberculosis	✓
A18.50	Tuberculosis of eye, unspecified	✓
A18.51	Tuberculous episcleritis	✓
A18.52	Tuberculous keratitis	✓
A18.53	Tuberculous chorioretinitis	✓
A18.54	Tuberculous iridocyclitis	✓
A18.59	Other tuberculosis of eye	✓
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	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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