S90.521D✓ Billable
Blister (nonthermal), right ankle, subsequent encounter
Code Hierarchy
┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├S90-S99Injuries to the ankle and foot (S90-S99)├S90Superficial injury of ankle, foot and toes
└S90.521DBlister (nonthermal), right ankle, subsequent encounter
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