T20.612A — Corrosion of second degree of left ear [any part, except ear drum], initial encounter
T20.612A is a billable, specific ICD-10-CM code for corrosion of second degree of left ear [any part, except ear drum], 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 T20
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T20.612A 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
T20.612A is named in 12 Medicare coverage policies — 10 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56566Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
- A57067Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
- A52438Billing and Coding: Tetanus Immunization
- A53058Billing and Coding: Home Health Physical Therapy
Related codes at this level
Codes that share T20.612. If T20.612A is not quite right, the correct code is usually one of these.
Questions about T20.612A
- Is T20.612A a billable ICD-10-CM code?
- Yes. T20.612A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T20.612A sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Burns and corrosions of external body surface, specified by site (T20-T25).