ICD-10-CM > S00-T88 > S40-S49 > S43 > S43.4 > S43.42 S43.42 Sprain of rotator cuff capsule Non-Billable/Non-Specific Type 1 Excludes rotator cuff syndrome (complete) (incomplete), not specified as traumatic (M75.1-) Type 2 Excludes injury of tendon of rotator cuff (S46.0-) Codes S43.421Sprain of right rotator cuff capsuleS43.421A..., initial encounterS43.421D..., subsequent encounterS43.421S..., sequelaS43.422Sprain of left rotator cuff capsuleS43.422A..., initial encounterS43.422D..., subsequent encounterS43.422S..., sequelaS43.429Sprain of unspecified rotator cuff capsuleS43.429A..., initial encounterS43.429D..., subsequent encounterS43.429S..., sequela