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corrosion

Wikipedia Summary

Corrosion is a natural process that converts a refined metal into a more chemically stable oxide. It is the gradual deterioration of materials (usually a metal) by chemical or electrochemical reaction with their environment...
Related Codes (1879)
Code
Description
Billable
Details
T20-T25Burns and corrosions of external body surface, specified by site (T20-T25)
Additional Codes (1)
T26-T28Burns and corrosions confined to eye and internal organs (T26-T28)
T28.90XSCorrosions of unspecified internal organs, sequela
T30-T32Burns and corrosions of multiple and unspecified body regions (T30-T32)
T32Corrosions classified according to extent of body surface involved
T20Burn and corrosion of head, face, and neck
Type 2 Excludes (3)
T20.4Corrosion of unspecified degree of head, face, and neck
Additional Codes (1)
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]
Type 2 Excludes (1)
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
T20.42Corrosion of unspecified degree of lip(s)
T20.42XACorrosion of unspecified degree of lip(s), initial encounter
T20.42XDCorrosion of unspecified degree of lip(s), subsequent encounter
T20.42XSCorrosion of unspecified degree of lip(s), sequela
T20.43Corrosion of unspecified degree of chin
T20.43XACorrosion of unspecified degree of chin, initial encounter
T20.43XDCorrosion of unspecified degree of chin, subsequent encounter
T20.43XSCorrosion of unspecified degree of chin, sequela
T20.44Corrosion of unspecified degree of nose (septum)
T20.44XACorrosion of unspecified degree of nose (septum), initial encounter
T20.44XDCorrosion of unspecified degree of nose (septum), subsequent encounter
T20.44XSCorrosion of unspecified degree of nose (septum), sequela
T20.45Corrosion of unspecified degree of scalp [any part]
T20.45XACorrosion of unspecified degree of scalp [any part], initial encounter
T20.45XDCorrosion of unspecified degree of scalp [any part], subsequent encounter
T20.45XSCorrosion of unspecified degree of scalp [any part], sequela
T20.46Corrosion of unspecified degree of forehead and cheek
T20.46XACorrosion of unspecified degree of forehead and cheek, initial encounter
T20.46XDCorrosion of unspecified degree of forehead and cheek, subsequent encounter
T20.46XSCorrosion of unspecified degree of forehead and cheek, sequela
T20.47Corrosion of unspecified degree of neck
T20.47XACorrosion of unspecified degree of neck, initial encounter
T20.47XDCorrosion of unspecified degree of neck, subsequent encounter
T20.47XSCorrosion of unspecified degree of neck, sequela
T20.49Corrosion of unspecified degree of multiple sites of head, face, and neck
T20.49XACorrosion of unspecified degree of multiple sites of head, face, and neck, initial encounter

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