T27.5XXA
T27.5XXA — Corrosion involving larynx and trachea with lung, initial encounter
Billable / specific codeICD-10-CM
T27.5XXA is a billable, specific ICD-10-CM code for corrosion involving larynx and trachea with lung, 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 T27
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T27.5XXA 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
T27.5XXA is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53058Billing and Coding: Home Health Physical Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
- A56900Billing and Coding: Immunizations
- A57205Billing and Coding: Oximetry Services
Related codes at this level
Codes that share T27.5. If T27.5XXA is not quite right, the correct code is usually one of these.
Questions about T27.5XXA
- Is T27.5XXA a billable ICD-10-CM code?
- Yes. T27.5XXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T27.5XXA sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Burns and corrosions confined to eye and internal organs (T26-T28).