ICD-10-CM > S00-T88 > S40-S49 > S43 > S43.4 > S43.40 S43.40 Unspecified sprain of shoulder joint Non-Billable/Non-Specific Codes S43.401Unspecified sprain of right shoulder jointS43.401A..., initial encounterS43.401D..., subsequent encounterS43.401S..., sequelaS43.402Unspecified sprain of left shoulder jointS43.402A..., initial encounterS43.402D..., subsequent encounterS43.402S..., sequelaS43.409Unspecified sprain of unspecified shoulder jointS43.409A..., initial encounterS43.409D..., subsequent encounterS43.409S..., sequela