T20 vs T67
T20 (Burn and corrosion of head, face, and neck) compared with T67 (Effects of heat and light), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. T67 carries an Excludes2 note covering T20: “burns (T20-T31)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| T20Burn and corrosion of head, face, and neck | T67Effects of heat and light | |
|---|---|---|
| Billing status | Non-billable header Report instead: T20.00XA, T20.00XD, T20.00XS, T20.011A, T20.011D | Non-billable header Report instead: T67.01XA, T67.01XD, T67.01XS, T67.02XA, T67.02XD |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Burn and corrosion of head, face, and neck is a non-billable ICD-10-CM category code (T20). | Effects of heat and light is a non-billable ICD-10-CM category code (T67). |
| 7th character | The appropriate 7th character is to be added to each code from category T20 | The appropriate 7th character is to be added to each code from category T67 |
| Includes | burns and corrosions of first degree [erythema] burns and corrosions of second degree [blisters][epidermal loss] burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss] | — |
| Use additional code | code from category T31 or T32 to identify extent of body surface involved | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources