T68
Excludes1: hypothermia following anesthesia (T88.51)
hypothermia not associated with low environmental temperature (R68.0)
hypothermia of newborn (P80.-)
Excludes2: frostbite (T33-T34)
Use additional code to identify source of exposure:
Exposure to excessive cold of man-made origin (W93)
Exposure to excessive cold of natural origin (X31)