T28.9Non-billable (header)
Corrosions of other and unspecified internal organs
Sub-codes of T28.9(3)
T28.9 is a non-billable header. Select a sub-code to bill. Sub-codes marked ⚠ require a 7th character — append A, D, or S (and an X placeholder if needed).
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)├T28Burn and corrosion of other internal organs
└T28.9Corrosions of other and unspecified internal organs
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