T65.0X4A Toxic effect of cyanides, undetermined, initial encounter

Billable ICD-10-CM code, FY2026.

Built from T65.0X4 with 7th character A (initial encounter).

Applies from T65 Toxic effect of other and unspecified substances

7th character note

7th character required

Applies from T65.0 Toxic effect of cyanides

Excludes1 (never code together)

Code annotations containing back-references to T65.0X4A

Back-references to T65.0

Back-references to T65

Nearby codes