T17.300A
T17.300A — Unspecified foreign body in larynx causing asphyxiation, initial encounter
Billable / specific codeICD-10-CM
T17.300A is a billable, specific ICD-10-CM code for unspecified foreign body in larynx causing asphyxiation, 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 T17
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T17.300A 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
T17.300A 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.
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
- A57205Billing and Coding: Oximetry Services
Related codes at this level
Codes that share T17.300. If T17.300A is not quite right, the correct code is usually one of these.
Questions about T17.300A
- Is T17.300A a billable ICD-10-CM code?
- Yes. T17.300A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T17.300A 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).