T33.821D✓ Billable
Superficial frostbite of right foot, subsequent encounter
Code Hierarchy
┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T33-T34Frostbite (T33-T34)├T33Superficial frostbite
└T33.821DSuperficial frostbite of right foot, subsequent encounter
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