S00.54Non-billable (header)
External constriction of lip and oral cavity
Code Hierarchy
┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├S00-S09Injuries to the head (S00-S09)├S00Superficial injury of head
└S00.54External constriction of lip and oral cavity
Not sure between two codes?
⇄ Compare S00.54 with another code →