ICD-10-CM category
T20 Burn and corrosion of head and neck
T20 is a category, not a billable code. Report one of the 264 complete codes below.
T20.0…
33 codes
- 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
- T20.011ABurn of unspecified degree of right ear [any part, except ear drum], initial encounter
- T20.011DBurn of unspecified degree of right ear [any part, except ear drum], subsequent encounter
- T20.011SBurn of unspecified degree of right ear [any part, except ear drum], sequela
- T20.012ABurn of unspecified degree of left ear [any part, except ear drum], initial encounter
- T20.012DBurn of unspecified degree of left ear [any part, except ear drum], subsequent encounter
- T20.012SBurn of unspecified degree of left ear [any part, except ear drum], sequela
- T20.019ABurn of unspecified degree of unspecified ear [any part, except ear drum], initial encounter
- T20.019DBurn of unspecified degree of unspecified ear [any part, except ear drum], subsequent encounter
- T20.019SBurn of unspecified degree of unspecified ear [any part, except ear drum], 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
T20.1…
33 codes
- 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
- T20.111ABurn of first degree of right ear [any part, except ear drum], initial encounter
- T20.111DBurn of first degree of right ear [any part, except ear drum], subsequent encounter
- T20.111SBurn of first degree of right ear [any part, except ear drum], sequela
- T20.112ABurn of first degree of left ear [any part, except ear drum], initial encounter
- T20.112DBurn of first degree of left ear [any part, except ear drum], subsequent encounter
- T20.112SBurn of first degree of left ear [any part, except ear drum], sequela
- T20.119ABurn of first degree of unspecified ear [any part, except ear drum], initial encounter
- T20.119DBurn of first degree of unspecified ear [any part, except ear drum], subsequent encounter
- T20.119SBurn of first degree of unspecified ear [any part, except ear drum], 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
T20.2…
33 codes
- 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
- T20.211ABurn of second degree of right ear [any part, except ear drum], initial encounter
- T20.211DBurn of second degree of right ear [any part, except ear drum], subsequent encounter
- T20.211SBurn of second degree of right ear [any part, except ear drum], sequela
- T20.212ABurn of second degree of left ear [any part, except ear drum], initial encounter
- T20.212DBurn of second degree of left ear [any part, except ear drum], subsequent encounter
- T20.212SBurn of second degree of left ear [any part, except ear drum], sequela
- T20.219ABurn of second degree of unspecified ear [any part, except ear drum], initial encounter
- T20.219DBurn of second degree of unspecified ear [any part, except ear drum], subsequent encounter
- T20.219SBurn of second degree of unspecified ear [any part, except ear drum], 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
- T20.25XABurn of second degree of scalp [any part], initial encounter
- T20.25XDBurn of second degree of scalp [any part], subsequent encounter
- T20.25XSBurn of second degree of scalp [any part], sequela
- T20.26XABurn of second degree of forehead and cheek, initial encounter
- T20.26XDBurn of second degree of forehead and cheek, subsequent encounter
- T20.26XSBurn of second degree of forehead and cheek, sequela
- T20.27XABurn of second degree of neck, initial encounter
- T20.27XDBurn of second degree of neck, subsequent encounter
- T20.27XSBurn of second degree of neck, sequela
- T20.29XABurn of second degree of multiple sites of head, face, and neck, initial encounter
- T20.29XDBurn of second degree of multiple sites of head, face, and neck, subsequent encounter
- T20.29XSBurn of second degree of multiple sites of head, face, and neck, sequela
T20.3…
33 codes
- T20.30XABurn of third degree of head, face, and neck, unspecified site, initial encounter
- T20.30XDBurn of third degree of head, face, and neck, unspecified site, subsequent encounter
- T20.30XSBurn of third degree of head, face, and neck, unspecified site, sequela
- T20.311ABurn of third degree of right ear [any part, except ear drum], initial encounter
- T20.311DBurn of third degree of right ear [any part, except ear drum], subsequent encounter
- T20.311SBurn of third degree of right ear [any part, except ear drum], sequela
- T20.312ABurn of third degree of left ear [any part, except ear drum], initial encounter
- T20.312DBurn of third degree of left ear [any part, except ear drum], subsequent encounter
- T20.312SBurn of third degree of left ear [any part, except ear drum], sequela
- T20.319ABurn of third degree of unspecified ear [any part, except ear drum], initial encounter
- T20.319DBurn of third degree of unspecified ear [any part, except ear drum], subsequent encounter
- T20.319SBurn of third degree of unspecified ear [any part, except ear drum], sequela
- T20.32XABurn of third degree of lip(s), initial encounter
- T20.32XDBurn of third degree of lip(s), subsequent encounter
- T20.32XSBurn of third degree of lip(s), sequela
- T20.33XABurn of third degree of chin, initial encounter
- T20.33XDBurn of third degree of chin, subsequent encounter
- T20.33XSBurn of third degree of chin, sequela
- T20.34XABurn of third degree of nose (septum), initial encounter
- T20.34XDBurn of third degree of nose (septum), subsequent encounter
- T20.34XSBurn of third degree of nose (septum), sequela
- T20.35XABurn of third degree of scalp [any part], initial encounter
- T20.35XDBurn of third degree of scalp [any part], subsequent encounter
- T20.35XSBurn of third degree of scalp [any part], sequela
- T20.36XABurn of third degree of forehead and cheek, initial encounter
- T20.36XDBurn of third degree of forehead and cheek, subsequent encounter
- T20.36XSBurn of third degree of forehead and cheek, sequela
- T20.37XABurn of third degree of neck, initial encounter
- T20.37XDBurn of third degree of neck, subsequent encounter
- T20.37XSBurn of third degree of neck, sequela
- T20.39XABurn of third degree of multiple sites of head, face, and neck, initial encounter
- T20.39XDBurn of third degree of multiple sites of head, face, and neck, subsequent encounter
- T20.39XSBurn of third degree of multiple sites of head, face, and neck, sequela
T20.4…
33 codes
- T20.40XACorrosion of unspecified degree of head, face, and neck, unspecified site, initial encounter
- T20.40XDCorrosion of unspecified degree of head, face, and neck, unspecified site, subsequent encounter
- T20.40XSCorrosion of unspecified degree of head, face, and neck, unspecified site, sequela
- T20.411ACorrosion of unspecified degree of right ear [any part, except ear drum], initial encounter
- T20.411DCorrosion of unspecified degree of right ear [any part, except ear drum], subsequent encounter
- T20.411SCorrosion of unspecified degree of right ear [any part, except ear drum], sequela
- T20.412ACorrosion of unspecified degree of left ear [any part, except ear drum], initial encounter
- T20.412DCorrosion of unspecified degree of left ear [any part, except ear drum], subsequent encounter
- T20.412SCorrosion of unspecified degree of left ear [any part, except ear drum], sequela
- T20.419ACorrosion of unspecified degree of unspecified ear [any part, except ear drum], initial encounter
- T20.419DCorrosion of unspecified degree of unspecified ear [any part, except ear drum], subsequent encounter
- T20.419SCorrosion of unspecified degree of unspecified ear [any part, except ear drum], sequela
- T20.42XACorrosion of unspecified degree of lip(s), initial encounter
- T20.42XDCorrosion of unspecified degree of lip(s), subsequent encounter
- T20.42XSCorrosion of unspecified degree of lip(s), sequela
- T20.43XACorrosion of unspecified degree of chin, initial encounter
- T20.43XDCorrosion of unspecified degree of chin, subsequent encounter
- T20.43XSCorrosion of unspecified degree of chin, sequela
- T20.44XACorrosion of unspecified degree of nose (septum), initial encounter
- T20.44XDCorrosion of unspecified degree of nose (septum), subsequent encounter
- T20.44XSCorrosion of unspecified degree of nose (septum), sequela
- T20.45XACorrosion of unspecified degree of scalp [any part], initial encounter
- T20.45XDCorrosion of unspecified degree of scalp [any part], subsequent encounter
- T20.45XSCorrosion of unspecified degree of scalp [any part], sequela
- T20.46XACorrosion of unspecified degree of forehead and cheek, initial encounter
- T20.46XDCorrosion of unspecified degree of forehead and cheek, subsequent encounter
- T20.46XSCorrosion of unspecified degree of forehead and cheek, sequela
- T20.47XACorrosion of unspecified degree of neck, initial encounter
- T20.47XDCorrosion of unspecified degree of neck, subsequent encounter
- T20.47XSCorrosion of unspecified degree of neck, sequela
- T20.49XACorrosion of unspecified degree of multiple sites of head, face, and neck, initial encounter
- T20.49XDCorrosion of unspecified degree of multiple sites of head, face, and neck, subsequent encounter
- T20.49XSCorrosion of unspecified degree of multiple sites of head, face, and neck, sequela
T20.5…
33 codes
- T20.50XACorrosion of first degree of head, face, and neck, unspecified site, initial encounter
- T20.50XDCorrosion of first degree of head, face, and neck, unspecified site, subsequent encounter
- T20.50XSCorrosion of first degree of head, face, and neck, unspecified site, sequela
- T20.511ACorrosion of first degree of right ear [any part, except ear drum], initial encounter
- T20.511DCorrosion of first degree of right ear [any part, except ear drum], subsequent encounter
- T20.511SCorrosion of first degree of right ear [any part, except ear drum], sequela
- T20.512ACorrosion of first degree of left ear [any part, except ear drum], initial encounter
- T20.512DCorrosion of first degree of left ear [any part, except ear drum], subsequent encounter
- T20.512SCorrosion of first degree of left ear [any part, except ear drum], sequela
- T20.519ACorrosion of first degree of unspecified ear [any part, except ear drum], initial encounter
- T20.519DCorrosion of first degree of unspecified ear [any part, except ear drum], subsequent encounter
- T20.519SCorrosion of first degree of unspecified ear [any part, except ear drum], sequela
- T20.52XACorrosion of first degree of lip(s), initial encounter
- T20.52XDCorrosion of first degree of lip(s), subsequent encounter
- T20.52XSCorrosion of first degree of lip(s), sequela
- T20.53XACorrosion of first degree of chin, initial encounter
- T20.53XDCorrosion of first degree of chin, subsequent encounter
- T20.53XSCorrosion of first degree of chin, sequela
- T20.54XACorrosion of first degree of nose (septum), initial encounter
- T20.54XDCorrosion of first degree of nose (septum), subsequent encounter
- T20.54XSCorrosion of first degree of nose (septum), sequela
- T20.55XACorrosion of first degree of scalp [any part], initial encounter
- T20.55XDCorrosion of first degree of scalp [any part], subsequent encounter
- T20.55XSCorrosion of first degree of scalp [any part], sequela
- T20.56XACorrosion of first degree of forehead and cheek, initial encounter
- T20.56XDCorrosion of first degree of forehead and cheek, subsequent encounter
- T20.56XSCorrosion of first degree of forehead and cheek, sequela
- T20.57XACorrosion of first degree of neck, initial encounter
- T20.57XDCorrosion of first degree of neck, subsequent encounter
- T20.57XSCorrosion of first degree of neck, sequela
- T20.59XACorrosion of first degree of multiple sites of head, face, and neck, initial encounter
- T20.59XDCorrosion of first degree of multiple sites of head, face, and neck, subsequent encounter
- T20.59XSCorrosion of first degree of multiple sites of head, face, and neck, sequela
T20.6…
33 codes
- T20.60XACorrosion of second degree of head, face, and neck, unspecified site, initial encounter
- T20.60XDCorrosion of second degree of head, face, and neck, unspecified site, subsequent encounter
- T20.60XSCorrosion of second degree of head, face, and neck, unspecified site, sequela
- T20.611ACorrosion of second degree of right ear [any part, except ear drum], initial encounter
- T20.611DCorrosion of second degree of right ear [any part, except ear drum], subsequent encounter
- T20.611SCorrosion of second degree of right ear [any part, except ear drum], sequela
- T20.612ACorrosion of second degree of left ear [any part, except ear drum], initial encounter
- T20.612DCorrosion of second degree of left ear [any part, except ear drum], subsequent encounter
- T20.612SCorrosion of second degree of left ear [any part, except ear drum], sequela
- T20.619ACorrosion of second degree of unspecified ear [any part, except ear drum], initial encounter
- T20.619DCorrosion of second degree of unspecified ear [any part, except ear drum], subsequent encounter
- T20.619SCorrosion of second degree of unspecified ear [any part, except ear drum], sequela
- T20.62XACorrosion of second degree of lip(s), initial encounter
- T20.62XDCorrosion of second degree of lip(s), subsequent encounter
- T20.62XSCorrosion of second degree of lip(s), sequela
- T20.63XACorrosion of second degree of chin, initial encounter
- T20.63XDCorrosion of second degree of chin, subsequent encounter
- T20.63XSCorrosion of second degree of chin, sequela
- T20.64XACorrosion of second degree of nose (septum), initial encounter
- T20.64XDCorrosion of second degree of nose (septum), subsequent encounter
- T20.64XSCorrosion of second degree of nose (septum), sequela
- T20.65XACorrosion of second degree of scalp [any part], initial encounter
- T20.65XDCorrosion of second degree of scalp [any part], subsequent encounter
- T20.65XSCorrosion of second degree of scalp [any part], sequela
- T20.66XACorrosion of second degree of forehead and cheek, initial encounter
- T20.66XDCorrosion of second degree of forehead and cheek, subsequent encounter
- T20.66XSCorrosion of second degree of forehead and cheek, sequela
- T20.67XACorrosion of second degree of neck, initial encounter
- T20.67XDCorrosion of second degree of neck, subsequent encounter
- T20.67XSCorrosion of second degree of neck, sequela
- T20.69XACorrosion of second degree of multiple sites of head, face, and neck, initial encounter
- T20.69XDCorrosion of second degree of multiple sites of head, face, and neck, subsequent encounter
- T20.69XSCorrosion of second degree of multiple sites of head, face, and neck, sequela
T20.7…
33 codes
- T20.70XACorrosion of third degree of head, face, and neck, unspecified site, initial encounter
- T20.70XDCorrosion of third degree of head, face, and neck, unspecified site, subsequent encounter
- T20.70XSCorrosion of third degree of head, face, and neck, unspecified site, sequela
- T20.711ACorrosion of third degree of right ear [any part, except ear drum], initial encounter
- T20.711DCorrosion of third degree of right ear [any part, except ear drum], subsequent encounter
- T20.711SCorrosion of third degree of right ear [any part, except ear drum], sequela
- T20.712ACorrosion of third degree of left ear [any part, except ear drum], initial encounter
- T20.712DCorrosion of third degree of left ear [any part, except ear drum], subsequent encounter
- T20.712SCorrosion of third degree of left ear [any part, except ear drum], sequela
- T20.719ACorrosion of third degree of unspecified ear [any part, except ear drum], initial encounter
- T20.719DCorrosion of third degree of unspecified ear [any part, except ear drum], subsequent encounter
- T20.719SCorrosion of third degree of unspecified ear [any part, except ear drum], sequela
- T20.72XACorrosion of third degree of lip(s), initial encounter
- T20.72XDCorrosion of third degree of lip(s), subsequent encounter
- T20.72XSCorrosion of third degree of lip(s), sequela
- T20.73XACorrosion of third degree of chin, initial encounter
- T20.73XDCorrosion of third degree of chin, subsequent encounter
- T20.73XSCorrosion of third degree of chin, sequela
- T20.74XACorrosion of third degree of nose (septum), initial encounter
- T20.74XDCorrosion of third degree of nose (septum), subsequent encounter
- T20.74XSCorrosion of third degree of nose (septum), sequela
- T20.75XACorrosion of third degree of scalp [any part], initial encounter
- T20.75XDCorrosion of third degree of scalp [any part], subsequent encounter
- T20.75XSCorrosion of third degree of scalp [any part], sequela
- T20.76XACorrosion of third degree of forehead and cheek, initial encounter
- T20.76XDCorrosion of third degree of forehead and cheek, subsequent encounter
- T20.76XSCorrosion of third degree of forehead and cheek, sequela
- T20.77XACorrosion of third degree of neck, initial encounter
- T20.77XDCorrosion of third degree of neck, subsequent encounter
- T20.77XSCorrosion of third degree of neck, sequela
- T20.79XACorrosion of third degree of multiple sites of head, face, and neck, initial encounter
- T20.79XDCorrosion of third degree of multiple sites of head, face, and neck, subsequent encounter
- T20.79XSCorrosion of third degree of multiple sites of head, face, and neck, sequela
Outside the US? T20 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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