T65

T65: Toxic effect of other and unspecified substances

Non-billable headerICD-10-CM

T65 is a non-billable header ICD-10-CM code for toxic effect of other and unspecified substances. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T65

A: initial encounter
D: subsequent encounter
S: sequela

Other codes that can never be billed with T65

Their own Excludes1 notes name this code, so the conflict is not listed above.

T52.1Toxic effects of benzene
T60.4Toxic effect of rodenticides
T61Toxic effect of noxious substances eaten as seafood
T62Toxic effect of other noxious substances eaten as food

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T65

9 child codes. Green means billable.