ICD-10-CM > S00-T88 > S80-S89 > S83 > S83.2 > S83.26 S83.26 Peripheral tear of lateral meniscus, current injury Non-Billable/Non-Specific Codes S83.261Peripheral tear of lateral meniscus, current injury, right kneeS83.261A..., initial encounterS83.261D..., subsequent encounterS83.261S..., sequelaS83.262Peripheral tear of lateral meniscus, current injury, left kneeS83.262A..., initial encounterS83.262D..., subsequent encounterS83.262S..., sequelaS83.269Peripheral tear of lateral meniscus, current injury, unspecified kneeS83.269A..., initial encounterS83.269D..., subsequent encounterS83.269S..., sequela