X30: Exposure to excessive natural heat inclusionTerm Exposure to excessive heat as the cause of sunstroke Exposure to heat NOS excludes1 excessive heat of man-made origin (W92) exposure to man-made radiation (W89) exposure to sunlight (X32) exposure to tanning bed (W89) sevenChrNote The appropriate 7th character is to be added to code X30 sevenChrDef A: initial encounter D: subsequent encounter S: sequela |