A18
A18: Tuberculosis of other organs
Non-billable headerICD-10-CM
A18 is a non-billable header ICD-10-CM code for tuberculosis of other organs. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with A18
Their own Excludes1 notes name this code, so the conflict is not listed above.
- D77Other disorders of blood and blood-forming organs in diseases classified elsewhere
- E35Disorders of endocrine glands in diseases classified elsewhere
- A04Other bacterial intestinal infections
- H20.0Acute and subacute iridocyclitis
- H32Chorioretinal disorders in diseases classified elsewhere
- H42Glaucoma in diseases classified elsewhere
- H66.3Other chronic suppurative otitis media
- H67Otitis media in diseases classified elsewhere
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead A18
9 child codes. Green means billable.
- A18.0Tuberculosis of bones and joints
- A18.1Tuberculosis of genitourinary system
- A18.2Tuberculous peripheral lymphadenopathy
- A18.3Tuberculosis of intestines, peritoneum and mesenteric glands
- A18.4Tuberculosis of skin and subcutaneous tissue
- A18.5Tuberculosis of eye
- A18.6Tuberculosis of (inner) (middle) ear
- A18.7Tuberculosis of adrenal glands
- A18.8Tuberculosis of other specified organs