T18 ICD-10-CM Code: Foreign body in alimentary tract
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
T18Foreign body in alimentary tract
ICD-10-CM diagnosis code · United States clinical modification
Where T18 sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Effects of foreign body entering through natural orifice (T15-T19)
- 3
Category T18
Foreign body in alimentary tract
- 4
Code T18
Foreign body in alimentary tract
Codes under T18
T18 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for T18.
Code first
No “code first” instruction is listed for T18.
Use additional code
No “use additional code” instruction is listed for T18.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for T18.
Excludes2
Conditions not included here that may be reported separately when present.
- foreign body in pharynx (T17.2-)
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code T18 mean?
T18 is the FY 2027 U.S. ICD-10-CM code for “Foreign body in alimentary tract.”
Is T18 a billable or specific ICD-10-CM code?
No. T18 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is T18 located in ICD-10-CM?
T18 is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Effects of foreign body entering through natural orifice (T15-T19) (T15–T19), under category T18, Foreign body in alimentary tract.
What coding notes are listed for T18?
No inclusion terms are listed for T18 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: foreign body in pharynx (T17.2-).