T66 RADIATION SICKNESS, UNSPECIFIED

Code Information

  • Diagnosis Code: T66
  • Short Description: Radiation sickness, unspecified
  • Long Description: Radiation sickness, unspecified
  • Code Version: 2025 ICD-10-CM

The code T66 is NOT VALID for claim submission

Code Classification

References to Index of Diseases and Injuries

The code T66 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • 7th Characters:
    • The appropriate 7th character is to be added to code @T66*
  • Type 1 Excludes Notes:
    • specified adverse effects of radiation, such as:
    • burns (@T20*-@T31*)
    • leukemia (@C91*-@C95*)
    • radiation gastroenteritis and colitis (@K52.0*)
    • radiation pneumonitis (@J70.0*)
    • radiation related disorders of the skin and subcutaneous tissue (@L55*-@L59*)
    • sunburn (@L55*.-)

Similar Codes

ICD-10 Code ICD-10 Description
T66.XXXA Radiation sickness, unspecified, initial encounter
T66.XXXD Radiation sickness, unspecified, subsequent encounter
T66.XXXS Radiation sickness, unspecified, sequela
This page was last updated on: 10/1/2024