T18.3
Non-billableForeign body in small intestine
Foreign body in small intestine
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •foreign body accidentally left in operation woundT81.5
- foreign body in penetrating wound - See open wound by body region
- •residual foreign body in soft tissueM79.5
- splinter, without open wound - See superficial injury by body region
- •foreign body in pharynxT17.2
Use Additional Code
Additional codes that should follow this code
Child Codes (3)
Related Codes(7)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for foreign body in small intestine?
The ICD-10-CM code for foreign body in small intestine is T18.3. The full clinical description is "Foreign body in small intestine". T18.3 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T18.3 mean?
ICD-10-CM code T18.3 represents “Foreign body in small intestine”. It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.
Is T18.3 a billable code?
No, T18.3 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under T18.3.
What chapter is T18.3 in?
T18.3 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T18.3?
T18.3 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).
What are the subcategories under T18.3?
T18.3 has 3 child codes, including: T18.3XXA (Foreign body in small intestine, initial encounter), T18.3XXD (Foreign body in small intestine, subsequent encounter), T18.3XXS (Foreign body in small intestine, sequela).
Are additional codes required with T18.3?
Yes, when using T18.3, also report: any retained foreign body, if applicable (Z18.-); code, if known, for foreign body entering into or through a natural orifice (W44.-).
What are the UMLS CUIs for T18.3?
T18.3 is linked to 1 UMLS Concept Unique Identifier: C0496025. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does T18.3 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like foreign body in small intestine affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of T18.3?
T18.3 maps to the ICD-11 code: ND73.3 (Foreign body in small intestine).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.