T18 is the ICD-10 code for Foreign body in alimentary tract. It is a three-character category divided into 8 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block T15–T19 (Effects of foreign body entering through natural orifice) in Chapter XIX, Injury, poisoning and certain other consequences of external causes.
- Code type
- Category (3 characters)
- Chapter
- XIX · S00–T98
- Classification
- WHO ICD-10, 2019 version
What T18 excludes
Conditions that look similar but belong under another code.
- foreign body in pharynx T17.2
Subcodes of T18
- T18.0Foreign body in mouth
- T18.1Foreign body in oesophagus
- T18.2Foreign body in stomach
- T18.3Foreign body in small intestine
- T18.4Foreign body in colon
- T18.5Foreign body in anus and rectum
- T18.8Foreign body in other and multiple parts of alimentary tract
- T18.9Foreign body in alimentary tract, part unspecified
T18 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DT18Fremmedlegeme i fordøjelseskanalen
T18Ruuansulatuskanavan vierasesine
T18Fremdkörper im Verdauungstrakt
T18Corps étranger dans les voies digestives
T18corpus alienum in spijsverteringskanaal
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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