AutoICD API

T18

Non-billable

Foreign body in alimentary tract

Foreign body in alimentary tract

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

T15-T19

Child Codes

8

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 wound (T81.5-)
  • foreign body in penetrating wound - See open wound by body region
  • residual foreign body in soft tissue (M79.5)
  • splinter, without open wound - See superficial injury by body region
  • foreign body in pharynx (T17.2-)

Use Additional Code

Additional codes that should follow this code

  • code to identify any retained foreign body, if applicable (Z18.-)
  • code, if known, for foreign body entering into or through a natural orifice (W44.-)

7th Character Definitions

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Child Codes (8)

T18.0

Foreign body in mouth

T18.1

Foreign body in esophagus

T18.2

Foreign body in stomach

T18.3

Foreign body in small intestine

T18.4

Foreign body in colon

T18.5

Foreign body in anus and rectum

T18.8

Foreign body in other parts of alimentary tract

T18.9

Foreign body of alimentary tract, part unspecified

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code T18?

ICD-10-CM code T18 represents "Foreign body in alimentary tract". It is a non-billable header code — use a more specific child code for billing purposes.

Is T18 a billable code?

No, T18 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 8 child codes under T18.

What chapter is T18 in?

T18 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T18?

T18 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?

T18 has 8 child codes, including: T18.0 (Foreign body in mouth), T18.1 (Foreign body in esophagus), T18.2 (Foreign body in stomach), T18.3 (Foreign body in small intestine), and 4 more.

Are additional codes required with T18?

Yes, when using T18 you should also code: code to identify 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?

T18 is linked to 1 UMLS Concept Unique Identifier: C0016546. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.