T20.47
T20.47: Corrosion of unspecified degree of neck
Non-billable headerICD-10-CM
T20.47 is a non-billable header ICD-10-CM code for corrosion of unspecified degree of neck. 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 T20
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes2 inherited from the categories above T20.47
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Corrosion›neck
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T20.47
3 child codes. Green means billable.
Other codes under T20.4
- T20.40Corrosion of unspecified degree of head, face, and neck, unspecified site
- T20.41Corrosion of unspecified degree of ear [any part, except ear drum]
- T20.42Corrosion of unspecified degree of lip(s)
- T20.43Corrosion of unspecified degree of chin
- T20.44Corrosion of unspecified degree of nose (septum)
- T20.45Corrosion of unspecified degree of scalp [any part]
- T20.46Corrosion of unspecified degree of forehead and cheek
- T20.49Corrosion of unspecified degree of multiple sites of head, face, and neck