ICD-10-CM > S00-T88 > S10-S19 > S15 > S15.2 > S15.20 > S15.209 S15.209 Unspecified injury of unspecified external jugular vein Non-Billable/Non-Specific Codes S15.209A..., initial encounterS15.209D..., subsequent encounterS15.209S..., sequela