T18.5XXD — Foreign body in anus and rectum, subsequent encounter
T18.5XXD is a billable, specific ICD-10-CM code for foreign body in anus and rectum, subsequent encounter. It is valid for submission on a claim.
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
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Foreign body in rectosigmoid (junction)
Risk adjustment
T18.5XXD does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
T18.5XXD is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
- A56421Billing and Coding: CT of the Abdomen and Pelvis
Related codes at this level
Codes that share T18.5. If T18.5XXD is not quite right, the correct code is usually one of these.
Questions about T18.5XXD
- Is T18.5XXD a billable ICD-10-CM code?
- Yes. T18.5XXD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T18.5XXD sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Effects of foreign body entering through natural orifice (T15-T19).