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ICD-10 CM Code T23.44

T23.44 Corrosion of unspecified degree of multiple fingers (nail), including thumb

T23.441 Corrosion of unspecified degree of multiple right fingers (nail), including thumb
T23.442 Corrosion of unspecified degree of multiple left fingers (nail), including thumb
T23.449 Corrosion of unspecified degree of unspecified multiple fingers (nail), 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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