ICD-10-CM > S00-T88 > S50-S59 > S53 > S53.4 > S53.40 > S53.409 S53.409 Unspecified sprain of unspecified elbow Non-Billable/Non-Specific Applicable To Sprain of elbow NOS Codes S53.409A..., initial encounterS53.409D..., subsequent encounterS53.409S..., sequela