T18.9
⚠ Non-billable (Header)Foreign body of alimentary tract, part unspecified
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
Also Known As
Foreign body in digestive system NOSSwallowed foreign body NOS
⚠️ Excludes2
inherited from T18Rules from parent category T18: Foreign body in alimentary tract
- • foreign body in pharynx (T17.2-)
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CodeT18.9
BillableNo — Header code
ParentT18
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes21 note(s)
Child codes3
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)