T54.3X1A Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional), initial encounter

Billable ICD-10-CM code, FY2026.

Built from T54.3X1 with 7th character A (initial encounter).

Applies from T54 Toxic effect of corrosive substances

7th character note

7th character required

Applies from T54.3 Toxic effects of corrosive alkalis and alkali-like substances

Applicable to

Applies from T54.3X1 Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional)

Applicable to

Code annotations containing back-references to T54.3X1A

Back-references to T54

Nearby codes