T28.99 Corrosions of other internal organs

Non-billable ICD-10-CM code.

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

Applies from T28.9 Corrosions of other and unspecified internal organs

Code first

• (T51-T65) to identify chemical and intent

Code annotations containing back-references to T28.99

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 T28.99

• Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) › internal organ (s) › specified organ NEC

Nearby codes

• T28.912S Corrosions of left ear drum, sequela
• T28.919 Corrosions of unspecified ear drum
• T28.919A Corrosions of unspecified ear drum, initial encounter
• T28.919D Corrosions of unspecified ear drum, subsequent encounter
• T28.919S Corrosions of unspecified ear drum, sequela
• T28.99 Corrosions of other internal organs (this code)
• T28.99XA Corrosions of other internal organs, initial encounter
• T28.99XD Corrosions of other internal organs, subsequent encounter
• T28.99XS Corrosions of other internal organs, sequela