T31 - Burns classified according to extent of body surface involved
T31.7 - Burns involving 70-79% of body surface
T31.70 - Burns involving 70-79% of body surface with 0% to 9% third degree burns
T31.71 - Burns involving 70-79% of body surface with 10-19% third degree burns
T31.72 - Burns involving 70-79% of body surface with 20-29% third degree burns
T31.73 - Burns involving 70-79% of body surface with 30-39% third degree burns
T31.74 - Burns involving 70-79% of body surface with 40-49% third degree burns
T31.75 - Burns involving 70-79% of body surface with 50-59% third degree burns
T31.76 - Burns involving 70-79% of body surface with 60-69% third degree burns
T31.77 - Burns involving 70-79% of body surface with 70-79% third degree burns