ICD-10 CM Code T20.5
T20.5
Corrosion of first degree of head, face, and neck
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T20.50 Corrosion of first degree of head, face, and neck, unspecified site
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T20.51 Corrosion of first degree of ear [any part, except ear drum]
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T20.52 Corrosion of first degree of lip(s)
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T20.53 Corrosion of first degree of chin
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T20.54 Corrosion of first degree of nose (septum)
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T20.55 Corrosion of first degree of scalp [any part]
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T20.56 Corrosion of first degree of forehead and cheek
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T20.57 Corrosion of first degree of neck
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T20.59 Corrosion of first degree of multiple sites of head, face, and neck
Excludes Type 2
- burn and corrosion of ear drum (T28.41, T28.91)
- burn and corrosion of eye and adnexa (T26.-)
- burn and corrosion of mouth and pharynx (T28.0)
7th Character
- The appropriate 7th character is to be added to each code from category T20
- A - initial encounter
- D - subsequent encounter
- S - sequela
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