T18.4XXD

T18.4XXD: Foreign body in colon, subsequent encounter

Billable / specific codeICD-10-CMPOA exempt

T18.4XXD is a billable, specific ICD-10-CM code for foreign body in colon, subsequent encounter. It is valid for submission on a claim.

Check T18.4XXD with the rest of the claim: free scrubber

7th character "D": subsequent encounter

The appropriate 7th character is to be added to each code from category T18

A: initial encounter
D: subsequent encounter
S: sequela

Excludes2 inherited from the categories above T18.4XXD

Not part of this code, but both may be coded when both are present.

Written on T18: Foreign body in alimentary tract

foreign body in pharynx (T17.2-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

T18.4XXD is named in 7 Medicare coverage policies: 7 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A55937Billing and Coding: Diagnostic Colonoscopy
A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
A56421Billing and Coding: CT of the Abdomen and Pelvis
A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy

Code history

Unchanged in every release from FY2024 to FY2027.