T21.73S✓ Billable
Corrosion of third degree of upper back, sequela
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
└T21.73SCorrosion of third degree of upper back, sequela
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