T20
ICD-10Non-billable categoryBurn and corrosion of head, face, and neck
Official ICD-10-CM descriptor (FY2026)
Burn and corrosion of head, face, and neck
T20 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- burn and corrosion of ear drum (T28.41, T28.91)
- burn and corrosion of eye and adnexa (T26.-)
- burn and corrosion of mouth and pharynx (T28.0)
7th character
- The appropriate 7th character is to be added to each code from category T20
Permitted 7th characters
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
More specific codes under T20
- T20.0Burn of unspecified degree of head, face, and neckcategory
- T20.1Burn of first degree of head, face, and neckcategory
- T20.2Burn of second degree of head, face, and neckcategory
- T20.3Burn of third degree of head, face, and neckcategory
- T20.4Corrosion of unspecified degree of head, face, and neckcategory
- T20.5Corrosion of first degree of head, face, and neckcategory
- T20.6Corrosion of second degree of head, face, and neckcategory
- T20.7Corrosion of third degree of head, face, and neckcategory
Where this code sits
Krasyn AI Coder
Get code suggestions automatically as you type notes. Free for 50 analyses.
Install for Chrome — freeSource
ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.