T18.1
ICD-10Non-billable categoryForeign body in esophagus
Official ICD-10-CM descriptor (FY2026)
Foreign body in esophagus
T18.1 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.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- foreign body in respiratory tract (T17.-)
ICD-10-CM FY2026 defines 4 codes beneath T18.1. See the ICD-10-CM index for what this site publishes.
Related codes in T18
- T18.0Foreign body in mouthcategory
- T18.2Foreign body in stomachcategory
- T18.3Foreign body in small intestinecategory
- T18.4Foreign body in coloncategory
- T18.5Foreign body in anus and rectumcategory
- T18.8Foreign body in other parts of alimentary tractcategory
- T18.9Foreign body of alimentary tract, part unspecifiedcategory
Where this code sits
- Parent code
- T18
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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.