ICD-10-CM > S00-T88 > S50-S59 > S53 > S53.4 > S53.43 > S53.431 S53.431 Radial collateral ligament sprain of right elbow Non-Billable/Non-Specific Codes S53.431A..., initial encounterS53.431D..., subsequent encounterS53.431S..., sequela