S40.821A✓ Billable
Blister (nonthermal) of right upper arm, initial encounter
Code Hierarchy
┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├S40-S49Injuries to the shoulder and upper arm (S40-S49)├S40Superficial injury of shoulder and upper arm
└S40.821ABlister (nonthermal) of right upper arm, initial encounter
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