ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.6 > T25.62 T25.62 Corrosion of second degree of foot Non-Billable/Non-Specific Type 2 Excludes corrosion of second degree of toe(s) (nail) (T25.63-) Codes T25.621Corrosion of second degree of right footT25.621A..., initial encounterT25.621D..., subsequent encounterT25.621S..., sequelaT25.622Corrosion of second degree of left footT25.622A..., initial encounterT25.622D..., subsequent encounterT25.622S..., sequelaT25.629Corrosion of second degree of unspecified footT25.629A..., initial encounterT25.629D..., subsequent encounterT25.629S..., sequela