ICD-10-CM Book 2025 Edition
Chapters ICD-10-CM Book Table of Content /
T20-T25 Burns and corrosions of external body surface, specified by site /
T23 Burn and corrosion of wrist and hand
Billable ICD-10-CM Code T23.421D
T23.421D
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Corrosion of unspecified degree of single right finger (nail) except thumb, subsequent encounter 
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