ICD-10-CM > S00-T88 > T80-T88 > T82 > T82.3 > T82.39 > T82.391 T82.391 Other mechanical complication of carotid arterial graft (bypass) Non-Billable/Non-Specific Codes T82.391A..., initial encounterT82.391D..., subsequent encounterT82.391S..., sequela