ICD10 CM Tabular
T20.49 Corrosion of unspecified degree of multiple sites of head, face, and neck
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T20.49XA Corros unsp deg mult sites of head, face, and neck, init
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T20.49XD Corros unsp deg mult sites of head, face, and neck, subs
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T20.49XS Corros unsp deg mult sites of head, face, and neck, sequela