T66D✓ Billable
Radiation sickness, unspecified, subsequent encounter
Code Hierarchy
┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T66-T78Other and unspecified effects of external causes (T66-T78)├T66Radiation sickness, unspecified
└T66DRadiation sickness, unspecified, subsequent encounter
Not sure between two codes?
⇄ Compare T66D with another code →