T18.4XXA
T18.4XXA: Foreign body in colon, initial encounter
Billable / specific codeICD-10-CM
T18.4XXA is a billable, specific ICD-10-CM code for foreign body in colon, initial encounter. It is valid for submission on a claim.
Check T18.4XXA with the rest of the claim: free scrubber7th character "A": initial encounter
The appropriate 7th character is to be added to each code from category T18
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
T18.4XXA is named in 8 Medicare coverage policies: 8 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
- A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
Code history
Unchanged in every release from FY2024 to FY2027.