ICD-10-CM > S00-T88 > T80-T88 > T82 > T82.3 > T82.33 > T82.331 T82.331 Leakage of carotid arterial graft (bypass) Non-Billable/Non-Specific Codes T82.331A..., initial encounterT82.331D..., subsequent encounterT82.331S..., sequela