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T18

⚠ Non-billable (Header)

Foreign body in alimentary tract

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.

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⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • foreign body in pharynx (T17.2-)

Child Codes (8)

T18.0Foreign body in mouthT18.1Foreign body in esophagusT18.2Foreign body in stomachT18.3Foreign body in small intestineT18.4Foreign body in colonT18.5Foreign body in anus and rectumT18.8Foreign body in other parts of alimentary tractT18.9Foreign body of alimentary tract, part unspecified

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Code Information

CodeT18
BillableNo — Header code
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes21 note(s)
Child codes8

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)