T28.99XD
T28.99XD — Corrosions of other internal organs, subsequent encounter
Billable / specific codeICD-10-CMPOA exempt
T28.99XD is a billable, specific ICD-10-CM code for corrosions of other internal organs, 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 T28
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T28.99XD 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
T28.99XD is named in 3 Medicare coverage policies — 3 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
- A59186Billing and Coding: Magnesium
Related codes at this level
Codes that share T28.99. If T28.99XD is not quite right, the correct code is usually one of these.
Questions about T28.99XD
- Is T28.99XD a billable ICD-10-CM code?
- Yes. T28.99XD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T28.99XD 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).