T82.855A — Stenosis of coronary artery stent, initial encounter
T82.855A is a billable, specific ICD-10-CM code for stenosis of coronary artery stent, initial encounter. It is valid for submission on a claim.
7th character "A" — initial encounter
The appropriate 7th character is to be added to each code from category T82
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- In-stent stenosis (restenosis) of coronary artery stent
- Restenosis of coronary artery stent
Risk adjustment
T82.855A 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
T82.855A is named in 17 Medicare coverage policies — 17 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
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- A56423Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Related codes at this level
Codes that share T82.855. If T82.855A is not quite right, the correct code is usually one of these.
Questions about T82.855A
- Is T82.855A a billable ICD-10-CM code?
- Yes. T82.855A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T82.855A 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).