Corrosion of unspecified degree of head, face, and neck
T20.4 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.
Related Diagnoses
T20.40Corrosion of unspecified degree of head, face, and neck, unspecified site
T20.40XACorrosion of unspecified degree of head, face, and neck, unspecified site, initial encounter
T20.40XDCorrosion of unspecified degree of head, face, and neck, unspecified site, subsequent encounter
T20.40XSCorrosion of unspecified degree of head, face, and neck, unspecified site, sequela
T20.41Corrosion of unspecified degree of ear [any part, except ear drum]
T20.411Corrosion of unspecified degree of right ear [any part, except ear drum]
T20.411ACorrosion of unspecified degree of right ear [any part, except ear drum], initial encounter
T20.411DCorrosion of unspecified degree of right ear [any part, except ear drum], subsequent encounter
T20.411SCorrosion of unspecified degree of right ear [any part, except ear drum], sequela
T20.412Corrosion of unspecified degree of left ear [any part, except ear drum]
T20.412ACorrosion of unspecified degree of left ear [any part, except ear drum], initial encounter
T20.412DCorrosion of unspecified degree of left ear [any part, except ear drum], subsequent encounter
T20.412SCorrosion of unspecified degree of left ear [any part, except ear drum], sequela
T20.419Corrosion of unspecified degree of unspecified ear [any part, except ear drum]
T20.419ACorrosion of unspecified degree of unspecified ear [any part, except ear drum], initial encounter
T20.419DCorrosion of unspecified degree of unspecified ear [any part, except ear drum], subsequent encounter
T20.419SCorrosion of unspecified degree of unspecified ear [any part, except ear drum], sequela