Home / ICD-10-CM / Chapter 20 / T21

T21 Burn and corrosion of trunk

ICD-10-CM category T21 sits in Chapter 20 (External causes of morbidity, V00-Y99). It contains 216 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

T21.0 Burn of unspecified degree of trunkT21.00 Burn of unspecified degree of trunk, unspecified siteT21.01 Burn of unspecified degree of chest wallT21.02 Burn of unspecified degree of abdominal wallT21.03 Burn of unspecified degree of upper backT21.04 Burn of unspecified degree of lower backT21.05 Burn of unspecified degree of buttockT21.06 Burn of unspecified degree of male genital regionT21.07 Burn of unspecified degree of female genital regionT21.09 Burn of unspecified degree of other site of trunkT21.1 Burn of first degree of trunkT21.10 Burn of first degree of trunk, unspecified siteT21.11 Burn of first degree of chest wallT21.12 Burn of first degree of abdominal wallT21.13 Burn of first degree of upper backT21.14 Burn of first degree of lower backT21.15 Burn of first degree of buttockT21.16 Burn of first degree of male genital regionT21.17 Burn of first degree of female genital regionT21.19 Burn of first degree of other site of trunkT21.2 Burn of second degree of trunkT21.20 Burn of second degree of trunk, unspecified siteT21.21 Burn of second degree of chest wallT21.22 Burn of second degree of abdominal wallT21.23 Burn of second degree of upper backT21.24 Burn of second degree of lower backT21.25 Burn of second degree of buttockT21.26 Burn of second degree of male genital regionT21.27 Burn of second degree of female genital regionT21.29 Burn of second degree of other site of trunkT21.3 Burn of third degree of trunkT21.30 Burn of third degree of trunk, unspecified siteT21.31 Burn of third degree of chest wallT21.32 Burn of third degree of abdominal wallT21.33 Burn of third degree of upper backT21.34 Burn of third degree of lower backT21.35 Burn of third degree of buttockT21.36 Burn of third degree of male genital regionT21.37 Burn of third degree of female genital regionT21.39 Burn of third degree of other site of trunk

Billable codes in T21

CodeDescription
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
T21.10XABurn 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
T21.20XABurn 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
T21.30XABurn 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
T21.40XACorrosion 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
T21.50XACorrosion 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
T21.60XACorrosion 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
T21.70XACorrosion 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

Search within ICD-10-CM for T21 and related codes

Advertisement