T71.29XD
T71.29XD — Asphyxiation due to being trapped in other low oxygen environment, subsequent encounter
Billable / specific codeICD-10-CMPOA exempt
T71.29XD is a billable, specific ICD-10-CM code for asphyxiation due to being trapped in other low oxygen environment, 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 T71
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T71.29XD 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
T71.29XD 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.
- A56612Billing and Coding: CT of the Head
- A57326Billing and Coding: Electrocardiograms
Related codes at this level
Codes that share T71.29. If T71.29XD is not quite right, the correct code is usually one of these.
Questions about T71.29XD
- Is T71.29XD a billable ICD-10-CM code?
- Yes. T71.29XD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T71.29XD sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Other and unspecified effects of external causes (T66-T78).