T81.509S — Unspecified complication of foreign body accidentally left in body following unspecified procedure, sequela
T81.509S is a billable, specific ICD-10-CM code for unspecified complication of foreign body accidentally left in body following unspecified procedure, sequela. It is valid for submission on a claim.
7th character "S" — sequela
The appropriate 7th character is to be added to each code from category T81
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T81.509S 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
T81.509S is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53064Billing and Coding: Outpatient Occupational Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
- A56612Billing and Coding: CT of the Head
Related codes at this level
Codes that share T81.509. If T81.509S is not quite right, the correct code is usually one of these.
Questions about T81.509S
- Is T81.509S a billable ICD-10-CM code?
- Yes. T81.509S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T81.509S sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Complications of surgical and medical care, not elsewhere classified (T80-T88).