A18.3
ICD-10Non-billable categoryTuberculosis of intestines, peritoneum and mesenteric glands
Official ICD-10-CM descriptor (FY2026)
Tuberculosis of intestines, peritoneum and mesenteric glands
A18.3 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
ICD-10-CM FY2026 defines 3 codes beneath A18.3. See the ICD-10-CM index for what this site publishes.
Related codes in A18
- A18.0Tuberculosis of bones and jointscategory
- A18.1Tuberculosis of genitourinary systemcategory
- A18.2Tuberculous peripheral lymphadenopathy
- A18.4Tuberculosis of skin and subcutaneous tissue
- A18.5Tuberculosis of eyecategory
- A18.6Tuberculosis of (inner) (middle) ear
- A18.7Tuberculosis of adrenal glands
- A18.8Tuberculosis of other specified organscategory
Where this code sits
- Parent code
- A18
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.