T20.79 - Corrosion of third degree of multiple sites of head, face, and neck

T20.79XA Corrosion of 3rd deg mu sites of head, face, and neck, init Billable

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T20.79XD Corrosion of 3rd deg mu sites of head, face, and neck, subs Billable

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T20.79XS Corros 3rd deg mu sites of head, face, and neck, sequela Billable

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