T23.44
T23.44: Corrosion of unspecified degree of multiple fingers (nail), including thumb
Non-billable headerICD-10-CM
T23.44 is a non-billable header ICD-10-CM code for corrosion of unspecified degree of multiple fingers (nail), including thumb. 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 T23.44
3 child codes. Green means billable.
Other codes under T23.4
- T23.40Corrosion of unspecified degree of hand, unspecified site
- T23.41Corrosion of unspecified degree of thumb (nail)
- T23.42Corrosion of unspecified degree of single finger (nail) except thumb
- T23.43Corrosion of unspecified degree of multiple fingers (nail), not including thumb
- T23.45Corrosion of unspecified degree of palm
- T23.46Corrosion of unspecified degree of back of hand
- T23.47Corrosion of unspecified degree of wrist
- T23.49Corrosion of unspecified degree of multiple sites of wrist and hand