ICD-10-CM category
T21 Burn and corrosion of trunk
T21 is a category, not a billable code. Report one of the 216 complete codes below.
T21.0…
27 codes
- T21.00XABurn of unspecified degree of trunk, unspecified site, initial encounter
- T21.00XDBurn of unspecified degree of trunk, unspecified site, subsequent encounter
- T21.00XSBurn of unspecified degree of trunk, unspecified site, sequela
- T21.01XABurn of unspecified degree of chest wall, initial encounter
- T21.01XDBurn of unspecified degree of chest wall, subsequent encounter
- T21.01XSBurn of unspecified degree of chest wall, sequela
- T21.02XABurn of unspecified degree of abdominal wall, initial encounter
- T21.02XDBurn of unspecified degree of abdominal wall, subsequent encounter
- T21.02XSBurn of unspecified degree of abdominal wall, sequela
- T21.03XABurn of unspecified degree of upper back, initial encounter
- T21.03XDBurn of unspecified degree of upper back, subsequent encounter
- T21.03XSBurn of unspecified degree of upper back, sequela
- T21.04XABurn of unspecified degree of lower back, initial encounter
- T21.04XDBurn of unspecified degree of lower back, subsequent encounter
- T21.04XSBurn of unspecified degree of lower back, sequela
- T21.05XABurn of unspecified degree of buttock, initial encounter
- T21.05XDBurn of unspecified degree of buttock, subsequent encounter
- T21.05XSBurn of unspecified degree of buttock, sequela
- T21.06XABurn of unspecified degree of male genital region, initial encounter
- T21.06XDBurn of unspecified degree of male genital region, subsequent encounter
- T21.06XSBurn of unspecified degree of male genital region, sequela
- T21.07XABurn of unspecified degree of female genital region, initial encounter
- T21.07XDBurn of unspecified degree of female genital region, subsequent encounter
- T21.07XSBurn of unspecified degree of female genital region, sequela
- T21.09XABurn of unspecified degree of other site of trunk, initial encounter
- T21.09XDBurn of unspecified degree of other site of trunk, subsequent encounter
- T21.09XSBurn of unspecified degree of other site of trunk, sequela
T21.1…
27 codes
- T21.10XABurn of first degree of trunk, unspecified site, initial encounter
- T21.10XDBurn of first degree of trunk, unspecified site, subsequent encounter
- T21.10XSBurn of first degree of trunk, unspecified site, sequela
- T21.11XABurn of first degree of chest wall, initial encounter
- T21.11XDBurn of first degree of chest wall, subsequent encounter
- T21.11XSBurn of first degree of chest wall, sequela
- T21.12XABurn of first degree of abdominal wall, initial encounter
- T21.12XDBurn of first degree of abdominal wall, subsequent encounter
- T21.12XSBurn of first degree of abdominal wall, sequela
- T21.13XABurn of first degree of upper back, initial encounter
- T21.13XDBurn of first degree of upper back, subsequent encounter
- T21.13XSBurn of first degree of upper back, sequela
- T21.14XABurn of first degree of lower back, initial encounter
- T21.14XDBurn of first degree of lower back, subsequent encounter
- T21.14XSBurn of first degree of lower back, sequela
- T21.15XABurn of first degree of buttock, initial encounter
- T21.15XDBurn of first degree of buttock, subsequent encounter
- T21.15XSBurn of first degree of buttock, sequela
- T21.16XABurn of first degree of male genital region, initial encounter
- T21.16XDBurn of first degree of male genital region, subsequent encounter
- T21.16XSBurn of first degree of male genital region, sequela
- T21.17XABurn of first degree of female genital region, initial encounter
- T21.17XDBurn of first degree of female genital region, subsequent encounter
- T21.17XSBurn of first degree of female genital region, sequela
- T21.19XABurn of first degree of other site of trunk, initial encounter
- T21.19XDBurn of first degree of other site of trunk, subsequent encounter
- T21.19XSBurn of first degree of other site of trunk, sequela
T21.2…
27 codes
- T21.20XABurn of second degree of trunk, unspecified site, initial encounter
- T21.20XDBurn of second degree of trunk, unspecified site, subsequent encounter
- T21.20XSBurn of second degree of trunk, unspecified site, sequela
- T21.21XABurn of second degree of chest wall, initial encounter
- T21.21XDBurn of second degree of chest wall, subsequent encounter
- T21.21XSBurn of second degree of chest wall, sequela
- T21.22XABurn of second degree of abdominal wall, initial encounter
- T21.22XDBurn of second degree of abdominal wall, subsequent encounter
- T21.22XSBurn of second degree of abdominal wall, sequela
- T21.23XABurn of second degree of upper back, initial encounter
- T21.23XDBurn of second degree of upper back, subsequent encounter
- T21.23XSBurn of second degree of upper back, sequela
- T21.24XABurn of second degree of lower back, initial encounter
- T21.24XDBurn of second degree of lower back, subsequent encounter
- T21.24XSBurn of second degree of lower back, sequela
- T21.25XABurn of second degree of buttock, initial encounter
- T21.25XDBurn of second degree of buttock, subsequent encounter
- T21.25XSBurn of second degree of buttock, sequela
- T21.26XABurn of second degree of male genital region, initial encounter
- T21.26XDBurn of second degree of male genital region, subsequent encounter
- T21.26XSBurn of second degree of male genital region, sequela
- T21.27XABurn of second degree of female genital region, initial encounter
- T21.27XDBurn of second degree of female genital region, subsequent encounter
- T21.27XSBurn of second degree of female genital region, sequela
- T21.29XABurn of second degree of other site of trunk, initial encounter
- T21.29XDBurn of second degree of other site of trunk, subsequent encounter
- T21.29XSBurn of second degree of other site of trunk, sequela
T21.3…
27 codes
- T21.30XABurn of third degree of trunk, unspecified site, initial encounter
- T21.30XDBurn of third degree of trunk, unspecified site, subsequent encounter
- T21.30XSBurn of third degree of trunk, unspecified site, sequela
- T21.31XABurn of third degree of chest wall, initial encounter
- T21.31XDBurn of third degree of chest wall, subsequent encounter
- T21.31XSBurn of third degree of chest wall, sequela
- T21.32XABurn of third degree of abdominal wall, initial encounter
- T21.32XDBurn of third degree of abdominal wall, subsequent encounter
- T21.32XSBurn of third degree of abdominal wall, sequela
- T21.33XABurn of third degree of upper back, initial encounter
- T21.33XDBurn of third degree of upper back, subsequent encounter
- T21.33XSBurn of third degree of upper back, sequela
- T21.34XABurn of third degree of lower back, initial encounter
- T21.34XDBurn of third degree of lower back, subsequent encounter
- T21.34XSBurn of third degree of lower back, sequela
- T21.35XABurn of third degree of buttock, initial encounter
- T21.35XDBurn of third degree of buttock, subsequent encounter
- T21.35XSBurn of third degree of buttock, sequela
- T21.36XABurn of third degree of male genital region, initial encounter
- T21.36XDBurn of third degree of male genital region, subsequent encounter
- T21.36XSBurn of third degree of male genital region, sequela
- T21.37XABurn of third degree of female genital region, initial encounter
- T21.37XDBurn of third degree of female genital region, subsequent encounter
- T21.37XSBurn of third degree of female genital region, sequela
- T21.39XABurn of third degree of other site of trunk, initial encounter
- T21.39XDBurn of third degree of other site of trunk, subsequent encounter
- T21.39XSBurn of third degree of other site of trunk, sequela
T21.4…
27 codes
- T21.40XACorrosion of unspecified degree of trunk, unspecified site, initial encounter
- T21.40XDCorrosion of unspecified degree of trunk, unspecified site, subsequent encounter
- T21.40XSCorrosion of unspecified degree of trunk, unspecified site, sequela
- T21.41XACorrosion of unspecified degree of chest wall, initial encounter
- T21.41XDCorrosion of unspecified degree of chest wall, subsequent encounter
- T21.41XSCorrosion of unspecified degree of chest wall, sequela
- T21.42XACorrosion of unspecified degree of abdominal wall, initial encounter
- T21.42XDCorrosion of unspecified degree of abdominal wall, subsequent encounter
- T21.42XSCorrosion of unspecified degree of abdominal wall, sequela
- T21.43XACorrosion of unspecified degree of upper back, initial encounter
- T21.43XDCorrosion of unspecified degree of upper back, subsequent encounter
- T21.43XSCorrosion of unspecified degree of upper back, sequela
- T21.44XACorrosion of unspecified degree of lower back, initial encounter
- T21.44XDCorrosion of unspecified degree of lower back, subsequent encounter
- T21.44XSCorrosion of unspecified degree of lower back, sequela
- T21.45XACorrosion of unspecified degree of buttock, initial encounter
- T21.45XDCorrosion of unspecified degree of buttock, subsequent encounter
- T21.45XSCorrosion of unspecified degree of buttock, sequela
- T21.46XACorrosion of unspecified degree of male genital region, initial encounter
- T21.46XDCorrosion of unspecified degree of male genital region, subsequent encounter
- T21.46XSCorrosion of unspecified degree of male genital region, sequela
- T21.47XACorrosion of unspecified degree of female genital region, initial encounter
- T21.47XDCorrosion of unspecified degree of female genital region, subsequent encounter
- T21.47XSCorrosion of unspecified degree of female genital region, sequela
- T21.49XACorrosion of unspecified degree of other site of trunk, initial encounter
- T21.49XDCorrosion of unspecified degree of other site of trunk, subsequent encounter
- T21.49XSCorrosion of unspecified degree of other site of trunk, sequela
T21.5…
27 codes
- T21.50XACorrosion of first degree of trunk, unspecified site, initial encounter
- T21.50XDCorrosion of first degree of trunk, unspecified site, subsequent encounter
- T21.50XSCorrosion of first degree of trunk, unspecified site, sequela
- T21.51XACorrosion of first degree of chest wall, initial encounter
- T21.51XDCorrosion of first degree of chest wall, subsequent encounter
- T21.51XSCorrosion of first degree of chest wall, sequela
- T21.52XACorrosion of first degree of abdominal wall, initial encounter
- T21.52XDCorrosion of first degree of abdominal wall, subsequent encounter
- T21.52XSCorrosion of first degree of abdominal wall, sequela
- T21.53XACorrosion of first degree of upper back, initial encounter
- T21.53XDCorrosion of first degree of upper back, subsequent encounter
- T21.53XSCorrosion of first degree of upper back, sequela
- T21.54XACorrosion of first degree of lower back, initial encounter
- T21.54XDCorrosion of first degree of lower back, subsequent encounter
- T21.54XSCorrosion of first degree of lower back, sequela
- T21.55XACorrosion of first degree of buttock, initial encounter
- T21.55XDCorrosion of first degree of buttock, subsequent encounter
- T21.55XSCorrosion of first degree of buttock, sequela
- T21.56XACorrosion of first degree of male genital region, initial encounter
- T21.56XDCorrosion of first degree of male genital region, subsequent encounter
- T21.56XSCorrosion of first degree of male genital region, sequela
- T21.57XACorrosion of first degree of female genital region, initial encounter
- T21.57XDCorrosion of first degree of female genital region, subsequent encounter
- T21.57XSCorrosion of first degree of female genital region, sequela
- T21.59XACorrosion of first degree of other site of trunk, initial encounter
- T21.59XDCorrosion of first degree of other site of trunk, subsequent encounter
- T21.59XSCorrosion of first degree of other site of trunk, sequela
T21.6…
27 codes
- T21.60XACorrosion of second degree of trunk, unspecified site, initial encounter
- T21.60XDCorrosion of second degree of trunk, unspecified site, subsequent encounter
- T21.60XSCorrosion of second degree of trunk, unspecified site, sequela
- T21.61XACorrosion of second degree of chest wall, initial encounter
- T21.61XDCorrosion of second degree of chest wall, subsequent encounter
- T21.61XSCorrosion of second degree of chest wall, sequela
- T21.62XACorrosion of second degree of abdominal wall, initial encounter
- T21.62XDCorrosion of second degree of abdominal wall, subsequent encounter
- T21.62XSCorrosion of second degree of abdominal wall, sequela
- T21.63XACorrosion of second degree of upper back, initial encounter
- T21.63XDCorrosion of second degree of upper back, subsequent encounter
- T21.63XSCorrosion of second degree of upper back, sequela
- T21.64XACorrosion of second degree of lower back, initial encounter
- T21.64XDCorrosion of second degree of lower back, subsequent encounter
- T21.64XSCorrosion of second degree of lower back, sequela
- T21.65XACorrosion of second degree of buttock, initial encounter
- T21.65XDCorrosion of second degree of buttock, subsequent encounter
- T21.65XSCorrosion of second degree of buttock, sequela
- T21.66XACorrosion of second degree of male genital region, initial encounter
- T21.66XDCorrosion of second degree of male genital region, subsequent encounter
- T21.66XSCorrosion of second degree of male genital region, sequela
- T21.67XACorrosion of second degree of female genital region, initial encounter
- T21.67XDCorrosion of second degree of female genital region, subsequent encounter
- T21.67XSCorrosion of second degree of female genital region, sequela
- T21.69XACorrosion of second degree of other site of trunk, initial encounter
- T21.69XDCorrosion of second degree of other site of trunk, subsequent encounter
- T21.69XSCorrosion of second degree of other site of trunk, sequela
T21.7…
27 codes
- T21.70XACorrosion of third degree of trunk, unspecified site, initial encounter
- T21.70XDCorrosion of third degree of trunk, unspecified site, subsequent encounter
- T21.70XSCorrosion of third degree of trunk, unspecified site, sequela
- T21.71XACorrosion of third degree of chest wall, initial encounter
- T21.71XDCorrosion of third degree of chest wall, subsequent encounter
- T21.71XSCorrosion of third degree of chest wall, sequela
- T21.72XACorrosion of third degree of abdominal wall, initial encounter
- T21.72XDCorrosion of third degree of abdominal wall, subsequent encounter
- T21.72XSCorrosion of third degree of abdominal wall, sequela
- T21.73XACorrosion of third degree of upper back, initial encounter
- T21.73XDCorrosion of third degree of upper back, subsequent encounter
- T21.73XSCorrosion of third degree of upper back, sequela
- T21.74XACorrosion of third degree of lower back, initial encounter
- T21.74XDCorrosion of third degree of lower back, subsequent encounter
- T21.74XSCorrosion of third degree of lower back, sequela
- T21.75XACorrosion of third degree of buttock, initial encounter
- T21.75XDCorrosion of third degree of buttock, subsequent encounter
- T21.75XSCorrosion of third degree of buttock, sequela
- T21.76XACorrosion of third degree of male genital region, initial encounter
- T21.76XDCorrosion of third degree of male genital region, subsequent encounter
- T21.76XSCorrosion of third degree of male genital region, sequela
- T21.77XACorrosion of third degree of female genital region, initial encounter
- T21.77XDCorrosion of third degree of female genital region, subsequent encounter
- T21.77XSCorrosion of third degree of female genital region, sequela
- T21.79XACorrosion of third degree of other site of trunk, initial encounter
- T21.79XDCorrosion of third degree of other site of trunk, subsequent encounter
- T21.79XSCorrosion of third degree of other site of trunk, sequela
Outside the US? T21 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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