ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.6 > T22.62 > T22.621 T22.621 Corrosion of second degree of right elbow Non-Billable/Non-Specific Codes T22.621A..., initial encounterT22.621D..., subsequent encounterT22.621S..., sequela