ICD-10-CM > S00-T88 > T20-T25 > T22 > T22.4 > T22.46 > T22.469 T22.469 Corrosion of unspecified degree of unspecified scapular region Non-Billable/Non-Specific Codes T22.469A..., initial encounterT22.469D..., subsequent encounterT22.469S..., sequela