T21.62XA — Corrosion of second degree of abdominal wall, initial encounter
T21.62XA is a billable, specific ICD-10-CM code for corrosion of second degree of abdominal wall, 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 T21
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Corrosion of second degree of flank
- Corrosion of second degree of groin
Risk adjustment
T21.62XA 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
T21.62XA is named in 11 Medicare coverage policies — 9 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 T21.62. If T21.62XA is not quite right, the correct code is usually one of these.
Questions about T21.62XA
- Is T21.62XA a billable ICD-10-CM code?
- Yes. T21.62XA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T21.62XA 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).