ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.0 > S31.02 > S31.020 S31.020 Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum Non-Billable/Non-Specific Applicable To Laceration with foreign body of lower back and pelvis NOS Codes S31.020A..., initial encounterS31.020D..., subsequent encounterS31.020S..., sequela