ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.7 > T22.72 T22.72 Corrosion of third degree of elbow Non-Billable/Non-Specific Codes T22.721Corrosion of third degree of right elbowT22.721A..., initial encounterT22.721D..., subsequent encounterT22.721S..., sequelaT22.722Corrosion of third degree of left elbowT22.722A..., initial encounterT22.722D..., subsequent encounterT22.722S..., sequelaT22.729Corrosion of third degree of unspecified elbowT22.729A..., initial encounterT22.729D..., subsequent encounterT22.729S..., sequela