International Statistical Classification of Diseases and Related Health Problems 10th Revision-Australian Modification (ICD-10-AM) diagnostic codes correlating to burn injuries within the Admitted Patients Data Collection (APDC)
| T20–25 | Burns of external surface specified by site |
| T26–28 | Burns confined to eye and internal organs |
| T29–32 | Burns of multiple and unspecified body regions |
| T90–98 | Injury and other consequences from burns |
| Total body surface area (TBSA) of burn Burn injuries were classified according to TBSA, according to the ICD-10-AM trauma codes T31.0–31.9. | 1=<10% 2=10%–19% 3=20%–29% 4=30%–39% 5=40%–49% 6=50%–59% 7=60%–69% 8=70%–79% 9=80%–89% 10=90%–99% |
| Degree of burn injury Another measure of burn severity, related to burn thickness. Classified by ICD-10-AM trauma codes into first, second and third-degree burns | 0=unspecified degree 1=first-degree burn 2=second-degree burn 3=third-degree burn |
| Burn injury with sequelae Sequelae of burns derived from ICD codes: T95.0, 95.1, 95.2, 95.3, 95.4, 95.8, 95.9 | 1=with sequelae 0=without sequelae |