S90.821A✓ Billable
Blister (nonthermal), right foot, initial 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
└S90.821ABlister (nonthermal), right foot, initial encounter
Not sure between two codes?
⇄ Compare S90.821A with another code →