T27.4XXA✓ Billable
Corrosion of larynx and trachea, initial encounter
Code Hierarchy
┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T26-T28Burns and corrosions confined to eye and internal organs (T26-T28)├T27Burn and corrosion of respiratory tract
└T27.4XXACorrosion of larynx and trachea, initial encounter
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