S00.521A✓ Billable
Blister (nonthermal) of lip, initial encounter
Code Hierarchy
┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├S00-S09Injuries to the head (S00-S09)├S00Superficial injury of head
└S00.521ABlister (nonthermal) of lip, initial encounter
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