ICD-10 CM Code T23.4
T23.4
Corrosion of unspecified degree of wrist and hand
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T23.40 Corrosion of unspecified degree of hand, unspecified site
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T23.41 Corrosion of unspecified degree of thumb (nail)
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T23.42 Corrosion of unspecified degree of single finger (nail) except thumb
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T23.43 Corrosion of unspecified degree of multiple fingers (nail), not including thumb
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T23.44 Corrosion of unspecified degree of multiple fingers (nail), including thumb
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T23.45 Corrosion of unspecified degree of palm
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T23.46 Corrosion of unspecified degree of back of hand
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T23.47 Corrosion of unspecified degree of wrist
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T23.49 Corrosion of unspecified degree of multiple sites of wrist and hand
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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