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ICD-10 CM Code T23.73

T23.73 Corrosion of third degree of multiple fingers (nail), not including thumb

T23.731 Corrosion of third degree of multiple right fingers (nail), not including thumb
T23.732 Corrosion of third degree of multiple left fingers (nail), not including thumb
T23.739 Corrosion of third degree of unspecified multiple fingers (nail), not including thumb

7th Character

The appropriate 7th character is to be added to each code from category T23

A - initial encounter
D - subsequent encounter
S - sequela

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