T66.XXXA Radiation sickness, unspecified, initial encounter
Billable / valid for submission
ICD10CM
Release FY2026
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|
| FY2026 | 2025-10-01 | current | Radiation sickness, unspecified, initial encounter | yes |
Related codes in T66
- T66 Radiation sickness, unspecified
- T66.XXXD Radiation sickness, unspecified, subsequent encounter
- T66.XXXS Radiation sickness, unspecified, sequela
All T66 codes →