T20.63 — Corrosion of second degree of chin
T20.63 is a non-billable header ICD-10-CM code for corrosion of second degree of chin. 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
Risk adjustment
T20.63 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.
How T20.63 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to T20.63.
- Corrosion›chin›second degree
Code to one of these instead T20.63
3 child codes. Green means billable.
Related codes at this level
Codes that share T20.6. If T20.63 is not quite right, the correct code is usually one of these.
- T20.60Corrosion of second degree of head, face, and neck, unspecified site
- T20.61Corrosion of second degree of ear [any part, except ear drum]
- T20.62Corrosion of second degree of lip(s)
- T20.64Corrosion of second degree of nose (septum)
- T20.65Corrosion of second degree of scalp [any part]
- T20.66Corrosion of second degree of forehead and cheek
- T20.67Corrosion of second degree of neck
- T20.69Corrosion of second degree of multiple sites of head, face, and neck
Questions about T20.63
- Is T20.63 a billable ICD-10-CM code?
- No. T20.63 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T20.63 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Burns and corrosions of external body surface, specified by site (T20-T25).