T21.13 Burn of first degree of upper backNon-billable ICD-10-CM code.
T22 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)")T21.11XS Burn of first degree of chest wall, sequelaT21.12 Burn of first degree of abdominal wallT21.12XA Burn of first degree of abdominal wall, initial encounterT21.12XD Burn of first degree of abdominal wall, subsequent encounterT21.12XS Burn of first degree of abdominal wall, sequelaT21.13 Burn of first degree of upper back (this code)T21.13XA Burn of first degree of upper back, initial encounterT21.13XD Burn of first degree of upper back, subsequent encounterT21.13XS Burn of first degree of upper back, sequelaT21.14 Burn of first degree of lower backT21.14XA Burn of first degree of lower back, initial encounter