A18
Header — not billableTuberculosis of other organs
The ICD-10 code for tuberculosis of other organs is A18.
A18 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 9 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under A18
- A18.0Tuberculosis of bones and jointsnon-billable header
- A18.1Tuberculosis of genitourinary systemnon-billable header
- A18.2Tuberculous peripheral lymphadenopathy
- A18.3Tuberculosis of intestines, peritoneum and mesenteric glandsnon-billable header
- A18.4Tuberculosis of skin and subcutaneous tissue
- A18.5Tuberculosis of eyenon-billable header
- A18.6Tuberculosis of (inner) (middle) ear
- A18.7Tuberculosis of adrenal glands
- A18.8Tuberculosis of other specified organsnon-billable header
Related codes in this category
- A15Respiratory tuberculosisnon-billable header
- A17Tuberculosis of nervous systemnon-billable header
- A19Miliary tuberculosisnon-billable header
- A18Tuberculosis of other organsnon-billable header