T20.7
T20.7: Corrosion of third degree of head, face, and neck
Non-billable headerICD-10-CM
T20.7 is a non-billable header ICD-10-CM code for corrosion of third degree of head, face, and 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
Code first
The underlying condition must be sequenced before this code.
Use additional code
Add a secondary code to capture the detail described below.
- external cause code to identify place (Y92)
Excludes2 inherited from the categories above T20.7
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.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T20.7
9 child codes. Green means billable.
- T20.70Corrosion of third degree of head, face, and neck, unspecified site
- T20.71Corrosion of third degree of ear [any part, except ear drum]
- T20.72Corrosion of third degree of lip(s)
- T20.73Corrosion of third degree of chin
- T20.74Corrosion of third degree of nose (septum)
- T20.75Corrosion of third degree of scalp [any part]
- T20.76Corrosion of third degree of forehead and cheek
- T20.77Corrosion of third degree of neck
- T20.79Corrosion of third degree of multiple sites of head, face, and neck
Other codes under T20
- T20.0Burn of unspecified degree of head, face, and neck
- T20.1Burn of first degree of head, face, and neck
- T20.2Burn of second degree of head, face, and neck
- T20.3Burn of third degree of head, face, and neck
- T20.4Corrosion of unspecified degree of head, face, and neck
- T20.5Corrosion of first degree of head, face, and neck
- T20.6Corrosion of second degree of head, face, and neck