ICD-10-CM > S00-T88 > S40-S49 > S46 > S46.3 > S46.31 > S46.311 S46.311 Strain of muscle, fascia and tendon of triceps, right arm Non-Billable/Non-Specific Codes S46.311A..., initial encounterS46.311D..., subsequent encounterS46.311S..., sequela