All ICD10 Codes

T18

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Foreign body in alimentary tract

Use a more specific code (7 billable, 1 non-billable)
T18.0Foreign body in mouthT18.1Foreign body in esophagushas subcodesT18.2Foreign 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
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

T15-T19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • foreign body accidentally left in operation wound (T81.5-)
  • foreign body in penetrating wound - See open wound by body region
  • residual foreign body in soft tissue (M79.5)
  • splinter, without open wound - See superficial injury by body region
Use Additional Code
  • code, if known, for foreign body entering into or through a natural orifice (W44.-)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • foreign body in pharynx (T17.2-)

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T15-T19Effects of foreign body entering through natural orifice (T15-T19)
T18Foreign body in alimentary tractNot billable
T18.0Foreign body in mouthBillable
T18.1Foreign body in esophagusSubcodes
T18.2Foreign body in stomachBillable
T18.3Foreign body in small intestineBillable
T18.4Foreign body in colonBillable
T18.5Foreign body in anus and rectumBillable
T18.8Foreign body in other parts of alimentary tractBillable
T18.9Foreign body of alimentary tract, part unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T18:

blockT15-T19
Effects of foreign body entering through natural orifice (T15-T19)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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