| | Conditions & Treatments | Burns What is icd 9 code for third-degree burn of 18 percent the trunk caused by lighting a fire in home fireplace? The ICD-9 code for third-degree burn of 18 percent of the trunk caused by lighting a fire in home fireplace is 948.32. Burns - Related Articles How do I Fade Scars From Chemical Burns? About Cigarette Burns Can high pressure sodiam grow lights cause sunburn? How to Treat Third Degree Burns Lighting the Fire? Signs & Symptoms of Second-Degree Burns Can you use bio-oil on an open wound?