T23.21
T23.21: Burn of second degree of thumb (nail)
Non-billable headerICD-10-CM
T23.21 is a non-billable header ICD-10-CM code for burn of second degree of thumb (nail). 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 T23
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T23.21
3 child codes. Green means billable.
Other codes under T23.2
- T23.20Burn of second degree of hand, unspecified site
- T23.22Burn of second degree of single finger (nail) except thumb
- T23.23Burn of second degree of multiple fingers (nail), not including thumb
- T23.24Burn of second degree of multiple fingers (nail), including thumb
- T23.25Burn of second degree of palm
- T23.26Burn of second degree of back of hand
- T23.27Burn of second degree of wrist
- T23.29Burn of second degree of multiple sites of wrist and hand