T23.712D
T23.712D — Corrosion of third degree of left thumb (nail), subsequent encounter
Billable / specific codeICD-10-CMPOA exemptleft
T23.712D is a billable, specific ICD-10-CM code for corrosion of third degree of left thumb (nail), 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 T23
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T23.712D 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
T23.712D is named in 10 Medicare coverage policies — 10 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52998Billing and Coding: Surgical Treatment of Nails
- A53058Billing and Coding: Home Health Physical Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
- A57221Billing and Coding: Plastic Surgery
Related codes at this level
Codes that share T23.712. If T23.712D is not quite right, the correct code is usually one of these.
Questions about T23.712D
- Is T23.712D a billable ICD-10-CM code?
- Yes. T23.712D is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T23.712D 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).