T20 — Burn and corrosion of head, face, and neck
Is T20 billable?
No — T20 is a non-billable header code. T20 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 60 billable codes beneath T20.
Billable codes under this header
- T20.00XABurn of unspecified degree of head, face, and neck, unspecified site, initial encounter
- T20.00XDBurn of unspecified degree of head, face, and neck, unspecified site, subsequent encounter
- T20.00XSBurn of unspecified degree of head, face, and neck, unspecified site, sequela
- T20.02XABurn of unspecified degree of lip(s), initial encounter
- T20.02XDBurn of unspecified degree of lip(s), subsequent encounter
- T20.02XSBurn of unspecified degree of lip(s), sequela
- T20.03XABurn of unspecified degree of chin, initial encounter
- T20.03XDBurn of unspecified degree of chin, subsequent encounter
- T20.03XSBurn of unspecified degree of chin, sequela
- T20.04XABurn of unspecified degree of nose (septum), initial encounter
- T20.04XDBurn of unspecified degree of nose (septum), subsequent encounter
- T20.04XSBurn of unspecified degree of nose (septum), sequela
- T20.05XABurn of unspecified degree of scalp [any part], initial encounter
- T20.05XDBurn of unspecified degree of scalp [any part], subsequent encounter
- T20.05XSBurn of unspecified degree of scalp [any part], sequela
- T20.06XABurn of unspecified degree of forehead and cheek, initial encounter
- T20.06XDBurn of unspecified degree of forehead and cheek, subsequent encounter
- T20.06XSBurn of unspecified degree of forehead and cheek, sequela
- T20.07XABurn of unspecified degree of neck, initial encounter
- T20.07XDBurn of unspecified degree of neck, subsequent encounter
- T20.07XSBurn of unspecified degree of neck, sequela
- T20.09XABurn of unspecified degree of multiple sites of head, face, and neck, initial encounter
- T20.09XDBurn of unspecified degree of multiple sites of head, face, and neck, subsequent encounter
- T20.09XSBurn of unspecified degree of multiple sites of head, face, and neck, sequela
- T20.10XABurn of first degree of head, face, and neck, unspecified site, initial encounter
- T20.10XDBurn of first degree of head, face, and neck, unspecified site, subsequent encounter
- T20.10XSBurn of first degree of head, face, and neck, unspecified site, sequela
- T20.12XABurn of first degree of lip(s), initial encounter
- T20.12XDBurn of first degree of lip(s), subsequent encounter
- T20.12XSBurn of first degree of lip(s), sequela
- T20.13XABurn of first degree of chin, initial encounter
- T20.13XDBurn of first degree of chin, subsequent encounter
- T20.13XSBurn of first degree of chin, sequela
- T20.14XABurn of first degree of nose (septum), initial encounter
- T20.14XDBurn of first degree of nose (septum), subsequent encounter
- T20.14XSBurn of first degree of nose (septum), sequela
- T20.15XABurn of first degree of scalp [any part], initial encounter
- T20.15XDBurn of first degree of scalp [any part], subsequent encounter
- T20.15XSBurn of first degree of scalp [any part], sequela
- T20.16XABurn of first degree of forehead and cheek, initial encounter
- T20.16XDBurn of first degree of forehead and cheek, subsequent encounter
- T20.16XSBurn of first degree of forehead and cheek, sequela
- T20.17XABurn of first degree of neck, initial encounter
- T20.17XDBurn of first degree of neck, subsequent encounter
- T20.17XSBurn of first degree of neck, sequela
- T20.19XABurn of first degree of multiple sites of head, face, and neck, initial encounter
- T20.19XDBurn of first degree of multiple sites of head, face, and neck, subsequent encounter
- T20.19XSBurn of first degree of multiple sites of head, face, and neck, sequela
- T20.20XABurn of second degree of head, face, and neck, unspecified site, initial encounter
- T20.20XDBurn of second degree of head, face, and neck, unspecified site, subsequent encounter
- T20.20XSBurn of second degree of head, face, and neck, unspecified site, sequela
- T20.22XABurn of second degree of lip(s), initial encounter
- T20.22XDBurn of second degree of lip(s), subsequent encounter
- T20.22XSBurn of second degree of lip(s), sequela
- T20.23XABurn of second degree of chin, initial encounter
- T20.23XDBurn of second degree of chin, subsequent encounter
- T20.23XSBurn of second degree of chin, sequela
- T20.24XABurn of second degree of nose (septum), initial encounter
- T20.24XDBurn of second degree of nose (septum), subsequent encounter
- T20.24XSBurn of second degree of nose (septum), sequela
T20 at a glance
| Code | T20 |
|---|---|
| Description | Burn and corrosion of head, face, and neck |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of T20, but a patient may have both at the same time. When documentation supports it, T20 and the excluded code may both be reported.
Use additional code — inherited from Chapter 19
Report an additional code alongside T20 to fully describe the condition. T20 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T20-T25
Report an additional code alongside T20 to fully describe the condition. T20 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T20, but a patient may have both at the same time. When documentation supports it, T20 and the excluded code may both be reported.
What codes fall under T20? (8)
- T20.0Burn of unspecified degree of head, face, and necknot billable
- T20.1Burn of first degree of head, face, and necknot billable
- T20.2Burn of second degree of head, face, and necknot billable
- T20.3Burn of third degree of head, face, and necknot billable
- T20.4Corrosion of unspecified degree of head, face, and necknot billable
- T20.5Corrosion of first degree of head, face, and necknot billable
- T20.6Corrosion of second degree of head, face, and necknot billable
- T20.7Corrosion of third degree of head, face, and necknot billable
How long has T20 existed?
T20 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.