T21.1 Burn of first degree of trunkNon-billable header with 9 child codes.
T21.10 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 trunkT22 Burn and corrosion of shoulder and upper limb, except wrist and hand ("burn and corrosion of interscapular region (T21.-)")T24 Burn and corrosion of lower limb, except ankle and foot ("burn and corrosion of hip region (T21.-)")T66 Radiation sickness, unspecified ("burns (T20-T31)")T67 Effects of heat and light ("burns (T20-T31)")T75 Other and unspecified effects of other external causes ("burns (electric) (T20-T31)")T21.07XS Burn of unspecified degree of female genital region, sequelaT21.09 Burn of unspecified degree of other site of trunkT21.09XA Burn of unspecified degree of other site of trunk, initial encounterT21.09XD Burn of unspecified degree of other site of trunk, subsequent encounterT21.09XS Burn of unspecified degree of other site of trunk, sequelaT21.1 Burn of first degree of trunk (this code)T21.10 Burn of first degree of trunk, unspecified siteT21.10XA Burn of first degree of trunk, unspecified site, initial encounterT21.10XD Burn of first degree of trunk, unspecified site, subsequent encounterT21.10XS Burn of first degree of trunk, unspecified site, sequelaT21.11 Burn of first degree of chest wall