T21.31XA — Burn of third degree of chest wall, initial encounter
T21.31XA is a billable, specific ICD-10-CM code for burn of third degree of chest 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.
- Burn of third degree of breast
Risk adjustment
T21.31XA 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
T21.31XA is named in 11 Medicare coverage policies — 11 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52438Billing and Coding: Tetanus Immunization
- A53058Billing and Coding: Home Health Physical Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
- A56658Billing and Coding: Cosmetic and Reconstructive Surgery
Related codes at this level
Codes that share T21.31. If T21.31XA is not quite right, the correct code is usually one of these.
Questions about T21.31XA
- Is T21.31XA a billable ICD-10-CM code?
- Yes. T21.31XA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T21.31XA 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).