ICD-10 CM Code S90.821
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S90 Superficial injury of ankle, foot and toes
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S90.8 Other superficial injuries of foot
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S90.82 Blister (nonthermal) of foot
S90.821
Blister (nonthermal), right foot
7th Character
- The appropriate 7th character is to be added to each code from category S90
- A - initial encounter
- D - subsequent encounter
- S - sequela
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