ICD-10-CM > S00-T88 > S80-S89 > S83 > S83.2 > S83.20 > S83.209 S83.209 Unspecified tear of unspecified meniscus, current injury, unspecified knee Non-Billable/Non-Specific Codes S83.209A..., initial encounterS83.209D..., subsequent encounterS83.209S..., sequela