ICD-10-CM > S00-T88 > S70-S79 > S71 > S71.1 > S71.10 > S71.109 S71.109 Unspecified open wound, unspecified thigh Non-Billable/Non-Specific Codes S71.109A..., initial encounterS71.109D..., subsequent encounterS71.109S..., sequela