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T66.XXXS Radiation sickness, unspecified, sequela

Billable / valid for submission ICD10CM Release FY2026

Version history

Release	Valid from	Valid to	Description	Billable
FY2026	2025-10-01	current	Radiation sickness, unspecified, sequela	yes

Related codes in T66

T66 Radiation sickness, unspecified
T66.XXXA Radiation sickness, unspecified, initial encounter
T66.XXXD Radiation sickness, unspecified, subsequent encounter

All T66 codes →