ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.6 > T22.62 > T22.629 T22.629 Corrosion of second degree of unspecified elbow Non-Billable/Non-Specific Codes T22.629A..., initial encounterT22.629D..., subsequent encounterT22.629S..., sequela