T21.73A✓ Billable
Corrosion of third degree of upper back, initial encounter
Code Hierarchy
┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T20-T25Burns and corrosions of external body surface, specified by site (T20-T25)├T21Burn and corrosion of trunk
└T21.73ACorrosion of third degree of upper back, initial encounter
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