Current
T18 — Foreign body in alimentary tract
Part of Chapter 19: Injury, poisoning and certain other consequences of external causes , block Effects of foreign body entering through natural orifice (T15-T19) .
Official Notes
Excludes2
foreign body in pharynx ( T17.2- )
7th Character
The appropriate 7th character is to be added to each code from category T18
7th Character
A - initial encounter
7th Character
D - subsequent encounter
7th Character
S - sequela
Child Codes
- T18.0 Foreign body in mouth Has subcodes
- T18.1 Foreign body in esophagus Has subcodes
- T18.2 Foreign body in stomach Has subcodes
- T18.3 Foreign body in small intestine Has subcodes
- T18.4 Foreign body in colon Has subcodes
- T18.5 Foreign body in anus and rectum Has subcodes
- T18.8 Foreign body in other parts of alimentary tract Has subcodes
- T18.9 Foreign body of alimentary tract, part unspecified Has subcodes
Referenced By
Official notes on these codes cite T18.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS