ICD-10-CM > S00-T88 > S40-S49 > S46 > S46.3 > S46.31 > S46.319 S46.319 Strain of muscle, fascia and tendon of triceps, unspecified arm Non-Billable/Non-Specific Codes S46.319A..., initial encounterS46.319D..., subsequent encounterS46.319S..., sequela