Section
T66-T78
Other and unspecified effects of external causes (T66-T78)
Hierarchy
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S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
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T66-T78 Other and unspecified effects of external causes (T66-T78)
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T66 Radiation sickness, unspecified
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T67 Effects of heat and light
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T68 Hypothermia
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T69 Other effects of reduced temperature
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T70 Effects of air pressure and water pressure
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T71 Asphyxiation
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T73 Effects of other deprivation
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T74 Adult and child abuse, neglect and other maltreatment, confirmed
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T75 Other and unspecified effects of other external causes
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T76 Adult and child abuse, neglect and other maltreatment, suspected
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T78 Adverse effects, not elsewhere classified
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Notes
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Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
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The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.