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T20 vs T75.89XA

T20 (Burn and corrosion of head, face, and neck) compared with T75.89XA (Other specified effects of external causes, initial encounter), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Relationship

Informational

Excludes2 relationship

T75.89XA
Other specified effects of external causes, initial encounter
T20
Burn and corrosion of head, face, and neck

Distinct conditions — both may be reported.

“burns (electric) (T20-T31)”

An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.

Source: CMS ICD-10-CM tabular instructional notes

Can these codes be reported together?

Yes, when both are documented. T75.89XA carries an Excludes2 note covering T20: “burns (electric) (T20-T31)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

T20Burn and corrosion of head, face, and neckT75.89XAOther specified effects of external causes, initial encounter
Billing statusNon-billable header

Report instead: T20.00XA, T20.00XD, T20.00XS, T20.011A, T20.011D

Billable
ClassificationS00-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)
DefinitionBurn and corrosion of head, face, and neck is a non-billable ICD-10-CM category code (T20).Other specified effects of external causes, initial encounter is a billable ICD-10-CM diagnosis code (T75.89A).
7th characterThe appropriate 7th character is to be added to each code from category T20The appropriate 7th character is to be added to each code from category T75
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