T18.9XXS

T18.9XXS: Foreign body of alimentary tract, part unspecified, sequela

Billable / specific codeICD-10-CMPOA exempt

T18.9XXS is a billable, specific ICD-10-CM code for foreign body of alimentary tract, part unspecified, sequela. It is valid for submission on a claim.

Check T18.9XXS with the rest of the claim: free scrubber

7th character "S": sequela

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

A: initial encounter
D: subsequent encounter
S: sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Foreign body in digestive system NOS
Swallowed foreign body NOS

Excludes2 inherited from the categories above T18.9XXS

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

T18.9XXS is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

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.