Accidental hypothermia Hypothermia NOS 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) Excludes1: hypothermia following anesthesia (T88.51) hypothermia not associated with low environmental temperature (R68.0) hypothermia of newborn (P80.-) Excludes2: frostbite (T33-T34) The appropriate 7th character is to be added to code T68 A - initial encounter D - subsequent encounter S - sequela
