ICD-10-CM > S00-T88 > S30-S39 > S30 > S30.8 > S30.85 > S30.850 S30.850 Superficial foreign body of lower back and pelvis Non-Billable/Non-Specific Codes S30.850A..., initial encounterS30.850D..., subsequent encounterS30.850S..., sequela