T66 Billable Code
Radiation sickness, unspecified
Chapter Classification
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
Section Detail
T66-T78
Other and unspecified effects of external causes (T66-T78)
Coding Guidelines & Notes
excludes1
- 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.-)
sevenChrDef
- {'char': 'A', 'text': 'initial encounter'}
- {'char': 'D', 'text': 'subsequent encounter'}
- {'char': 'S', 'text': 'sequela'}
sevenChrNote
- The appropriate 7th character is to be added to code T66
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