T18.3XXABillable
Foreign body in small intestine, initial encounter
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T18
- Effective date
- October 1, 2026
Related codes in category T18
T18Foreign body in alimentary tractT18.0Foreign body in mouthT18.0XXAForeign body in mouth, initial encounterYesT18.0XXDForeign body in mouth, subsequent encounterYesT18.0XXSForeign body in mouth, sequelaYesT18.1Foreign body in esophagusT18.10Unspecified foreign body in esophagusT18.100Unsp fb in esophagus causing compression of tracheaT18.100AUnsp fb in esophagus causing compression of trachea, initYesT18.100DUnsp fb in esophagus causing compression of trachea, subsYesT18.100SUnsp fb in esophagus causing compression of trachea, sequelaYesT18.108Unspecified foreign body in esophagus causing other injury
Frequently asked questions
What is ICD-10 code T18.3XXA?
T18.3XXA is an ICD-10-CM diagnosis code for Foreign body in small intestine, initial encounter.
Is T18.3XXA a billable code?
Yes. T18.3XXA is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is T18.3XXA in?
T18.3XXA falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T18.3XXA become effective?
T18.3XXA has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T18.3XXA?
T18.3XXA belongs to category T18, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.