T20.37XS vs T26
T20.37XS (Burn of third degree of neck, sequela) compared with T26 (Burn and corrosion confined to eye and adnexa), 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. T20.37XS carries an Excludes2 note covering T26: “burn and corrosion of eye and adnexa (T26.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| T20.37XSBurn of third degree of neck, sequela | T26Burn and corrosion confined to eye and adnexa | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: T26.00XA, T26.00XD, T26.00XS, T26.01XA, T26.01XD |
| 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 of third degree of neck, sequela is a billable ICD-10-CM diagnosis code (T20.37S). | Burn and corrosion confined to eye and adnexa is a non-billable ICD-10-CM category code (T26). |
| 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 T26 |
| 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 | external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92) 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