ICD-10-CM>V00-Y99>X30-X39>X30>X30XXXDX30XXXDExposure to excessive natural heat, subsequent encounterBillable/Specific Copy Code Copy DescriptionApplicable ToExposure to excessive heat as the cause of sunstrokeExposure to heat NOSType 1 Excludesexcessive heat of man-made origin (W92)exposure to man-made radiation (W89)exposure to sunlight (X32)exposure to tanning bed (W89)