T66-T78

Other and unspecified effects of external causes

Block coding notes

Excludes 1 never together · Excludes 2 may co-exist

Code also

, if applicable, place of occurrence, such as: highway rest stop (Y92.523) school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-) service areas as the place of occurrence of the external cause (Y92.52-) single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-) transport vehicle as the place of occurrence of the external cause (Y92.81-)

Codes in this block

660 codes

Billableusable codeNon-billableheader / grouping codeRisk-adjusting

Official Guidelines for T66-T78

FY 2026 ›