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ICD-10-CM 2027

ICD-10 code for intestine bezoar

T18.3

Foreign body in small intestine

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Bezoar › intestine”. Page updated September 29, 2026.

About coding intestine bezoar

The ICD-10-CM code for intestine bezoar is T18.3 (Foreign body in small intestine).

Within T18 (foreign body in alimentary tract), T18.3 is specifically for foreign body in small intestine. Related codes cover in mouth (T18.0), in esophagus (T18.1), in stomach (T18.2), in colon (T18.4), in anus and rectum (T18.5), in other parts of alimentary tract (T18.8) and of alimentary tract, part unspecified (T18.9).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about intestine bezoar ICD-10 codes

What is the ICD-10 code for intestine bezoar?

T18.3 — Foreign body in small intestine (a header code; report a more specific subcode).

Is T18.3 billable?

No. T18.3 is a header code. Report one of its more specific subcodes instead.