T28.7 Corrosion of other parts of alimentary tract
Non-billable ICD-10-CM code.
Code first
(T51-T65) to identify chemical and intent
Applies from T28 Burn and corrosion of other internal organs
Use additional code
external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98)
external cause code to identify place (Y92)
7th character note
The appropriate 7th character is to be added to each code from category T28
7th character required
A — initial encounter
D — subsequent encounter
S — sequela
Code annotations containing back-references to T28.7
Back-references to T28
Type 1 Excludes: T66 Radiation sickness, unspecified ("burns (T20-T31)")
Type 2 Excludes: T67 Effects of heat and light ("burns (T20-T31)")
Type 2 Excludes: T75 Other and unspecified effects of other external causes ("burns (electric) (T20-T31)")
Diagnosis Index entries for T28.7
Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal) › gastrointestinal tract NEC › from swallowing caustic or corrosive substance