ICD-10-CM > S00-T88 > S50-S59 > S53 > S53.2 > S53.20 S53.20 Traumatic rupture of unspecified radial collateral ligament Non-Billable/Non-Specific Codes S53.20XA..., initial encounterS53.20XD..., subsequent encounterS53.20XS..., sequela