T33.90XS
T33.90XS — Superficial frostbite of unspecified sites, sequela
Billable / specific codeICD-10-CMPOA exempt
T33.90XS is a billable, specific ICD-10-CM code for superficial frostbite of unspecified sites, sequela. It is valid for submission on a claim.
7th character "S" — sequela
The appropriate 7th character is to be added to each code from category T33
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Superficial frostbite NOS
Risk adjustment
T33.90XS 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.
Related codes at this level
Codes that share T33.90. If T33.90XS is not quite right, the correct code is usually one of these.
Questions about T33.90XS
- Is T33.90XS a billable ICD-10-CM code?
- Yes. T33.90XS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T33.90XS sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Frostbite (T33-T34).