T33
T33 — Superficial frostbite
Non-billable headerICD-10-CM
T33 is a non-billable header ICD-10-CM code for superficial frostbite. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T33
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Includes
Conditions this code covers.
- frostbite with partial thickness skin loss
Risk adjustment
T33 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.
Code to one of these instead T33
10 child codes. Green means billable.
- T33.0Superficial frostbite of head
- T33.1Superficial frostbite of neck
- T33.2Superficial frostbite of thorax
- T33.3Superficial frostbite of abdominal wall, lower back and pelvis
- T33.4Superficial frostbite of arm
- T33.5Superficial frostbite of wrist, hand, and fingers
- T33.6Superficial frostbite of hip and thigh
- T33.7Superficial frostbite of knee and lower leg
- T33.8Superficial frostbite of ankle, foot, and toe(s)
- T33.9Superficial frostbite of other and unspecified sites
Questions about T33
- Is T33 a billable ICD-10-CM code?
- No. T33 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T33 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Frostbite (T33-T34).