T18.3
⚠ Non-billable
Foreign body in small intestine
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
T18.3
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code T18.3?
ICD-10-CM code T18.3 represents Foreign body in small intestine. It is a non-billable header code requiring a more specific subcategory in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is T18.3 billable?
No. T18.3 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is T18.3 in?
T18.3 belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the T18 category
T18
Foreign body in alimentary tract
Non-billable
T18.0
Foreign body in mouth
Non-billable
T18.1
Foreign body in esophagus
Non-billable
T18.2
Foreign body in stomach
Non-billable
T18.4
Foreign body in colon
Non-billable
T18.5
Foreign body in anus and rectum
Non-billable
T18.8
Foreign body in other parts of alimentary tract
Non-billable
T18.9
Foreign body of alimentary tract, part unspecified
Non-billable
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