T20.40A✓ Billable
Corrosion of unspecified degree of head, face, and neck, unspecified site, initial encounter
Corrosion of unspecified degree of head, face, and neck, uns…
Code Hierarchy
┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T20-T25Burns and corrosions of external body surface, specified by site (T20-T25)├T20Burn and corrosion of head, face, and neck
└T20.40ACorrosion of unspecified degree of head, face, and neck, uns…
Not sure between two codes?
⇄ Compare T20.40A with another code →