T66-T78: Other and unspecified effects of external causes
T75: Effects of other external causes
The group of conditions classified under the title "Effects of other external causes" refers to health disturbances caused by factors outside the body, not including infection or illnesses resulting from genes, lifestyle, or physiological changes. This group comprises diverse issues, such as effects of pressure change, vibration, reduced temperature, extreme temperature, and lightning, bringing about a broad range of symptoms. These can include disorientation, ear pain or discomfort with pressure changes often related to flying or deep-sea diving, numbness, or frostbite due to exposure to cold, burns or dehydration from extreme heat exposure, and potential electrocution or burn injuries from lightning strikes. These conditions can affect multiple body systems and vary in severity and progression based on the exact nature of the external cause and individual health factors.
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If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.
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